Main •
Chuck Norris as Texas Ranger Sergeant Cordell Walker, a former
Marine and a modern-day Ranger who believes in the Code of the Old West. He is a decorated
Vietnam vet and a martial arts expert, who also runs a martial arts program called 'Kick Drugs Out of America'. He is half-Cherokee and half-Irish. As a child in
Oklahoma, his parents were murdered by
White Supremacists. He wound up living on the Cherokee Reservation with his Uncle Ray, where he was trained to use his instincts and learned to hunt game and catch
rattlesnakes. He is the show's main protagonist. - Norris also portrays Hayes Cooper, a 19th Century lawman whom Walker admired, who went from a career bounty hunter to Texas Ranger with connections to various Indian tribes in the West. •
Clarence Gilyard as Texas Ranger Sergeant James "Jimmy" Trivette, Walker's partner and best friend. He is a former professional football player for the
Dallas Cowboys where he was a
wide receiver and a trained boxer. After suffering an injury in the NFL, he joined the Dallas PD. His first encounter with Walker was when he saved him from a group of rioters. He made the Rangers with his impressive arrest record. •
Sheree J. Wilson as Tarrant County Assistant D.A. Alexandra "Alex" Cahill, whom Walker later dates for a few seasons and finally marries. Aside from her work as a lawyer, she also runs a non-profit organization to assist troublesome teens called the H.O.P.E. (Help Our People Excel) Foundation. •
Gailard Sartain (pilot) and
Noble Willingham (seasons 1–8) as retired Texas Ranger Captain C.D. Parker, Walker's buddy and ex-partner who owns a bar-restaurant in Fort Worth, Texas, and is the only one to address Walker by his first name Cordell regularly. Despite being retired, he regularly assists Walker and Trivette. At the end of Season 4, he was inducted into the
Ranger Hall of Fame. C.D. was written out midway the eighth season (due to Willingham leaving the show to run for Congress), with it said that he is on a cruise around the world, which leaves him unable to attend Walker and Alex's wedding. He later unexpectedly dies off-screen early in the final season while on a fishing trip, presumably of a heart attack, but the series finale ultimately reveals that C.D. was murdered by ricin poisoning by Emile Lavocat, as the start of a revenge plot against the Company B Texas Rangers. •
Floyd Westerman (pilot season–season 1) and Apesanahkwat (guest season 2) as Walker's paternal uncle Ray Firewalker, also known as Uncle Ray. He raised Cordell after his parents – John and Elizabeth Firewalker – were murdered. Ray disappears at the end of the second season and is later revealed to have died during the sixth season episode "Lucas". •
Jimmy Wlcek as Trent Malloy (recurring seasons 5-6; main season 7), eldest son of late pastor Thunder Malloy and a former martial arts student of Walker. He is a black belt in Karate, in which during his time in the Army, trained recruits, and runs both his own Dojo and Protection Agency. He refuses to carry a gun after a childhood accident that got his kid brother killed. He also often teams up with Walker and Trivette on cases. •
Marco Sanchez as Detective Carlos Sandoval (recurring seasons 5-6; main season 7), a detective for Dallas PD, and the best friend of Trent Malloy. He often teams up with Walker and Trivette on cases. At first Carlos lacked in hand-to-hand training until Trent gave him some pointers in the Season 6 episode "Undercover". •
Judson Mills as Texas Ranger Francis Gage (seasons 8–9), a rookie Ranger who joins Walker in the series' eighth season who is partnered with Sydney. He is trained in hand-to-hand combat and shown to be somewhat of a womanizer. •
Nia Peeples as Texas Ranger Sydney Cooke (seasons 8–9), another rookie Ranger who joins Walker in the series' eighth season who is partnered with Gage. She is trained in hand-to-hand with excellent cardio and keeps a level head, unlike Gage.
Recurring •
John Amos ("Sons of Thunder") and
Paul Winfield ("The Soul of Winter") as Roscoe Jones, the father of Adam Jones and the minister who replaced Trent Malloy's late father, Thunder Malloy, as pastor of the First Christian Church of Dallas. His son, Adam, is the best friend of Trent's younger brother, Tommy. •
Michael Beck as Adam McGuire, a former
IRA terrorist who now seeks peace for
Northern Ireland. He is under constant threat by his former comrades and has a daughter, Jennifer, who is suffering from
leukemia and is in need of a
bone marrow transplant. •
Tobin Bell as Karl Storm, a dangerous arms dealer who plotted revenge against Alex, another attorney, and 2 police detectives, for taking him down 5 years prior, by hitting them at a wedding. He shot Alex and put her in a coma, when the bullet was intended for Walker, just before Walker was going to propose to her. Walker later killed Storm in a fight, in which Storm fell onto his own knife. •
Eloy Casados as Sheriff Sam Coyote, the sheriff of the Cherokee reservation in Oklahoma and a childhood friend of Walkers. •
Julio Cesar Cedillo as Ernesto Lopez, a former gangbanger who turned his life around and joined the Marines. He was almost killed by his former gang in order to provoke his younger brother, Tommy, in joining to provoke a gangland war. After he was accused of rape and exonerated, he was murdered by rogue Brookdale PD cops who assumed he beat the system unfairly only to discover he was innocent. •
Tony Denison as Michael Westmoreland, an ex-CIA operative working as a contract killer along with his girlfriend, Dierdre Harris, who is ex-CIA as well. He disguises his target hits as a string of serial killings, in which 11 unaffiliated targets are killed as well, and his weapon of choice are knives made from dry ice, so that no murder weapon would be recovered. He was hired by Johnson Carter to kill Alex as her wedding was approaching in order to escape prosecution. He failed to kill her and almost killed her father Gordon in the process. Carter, who was threatened by Walker, attempted to call off the hit, but Westmoreland refused to cancel the contract, however he agreed to an extension if Walker was killed first. When Dierdre was killed attempting to kill Walker, he plotted revenge. After Carter was prosecuted and Walker and Alex was wedded, he killed a flight attendant and stole a uniform in which he was plotted to kill them both on the flight to
Paris. He was killed with his own gun by Walker, but not before killing the pilots, leaving Walker to land the plane. •
Cynthia Dorn as M.E. Mary Williams, a
medical examiner in most of the murder cases that occurred on the show. •
James Drury as Texas Ranger Captain Tom Price, Walker's and Trivette's supervisor. He only appears during the pilot season. • Efrain Figueroa as Jesse Rodriguez, a Mexican Federale who assisted Walker in taking down an assassin plotting to kill Mexican Presidential Candidate Rafael Mendoza as well as saving
illegal immigrants from
smugglers who promise them a better life but instead put them through slavery. •
Robert Fuller as Ranger Wade Harper, a retired El Paso Texas Ranger who came on board to work for Walker and Trivette in taking down violent jewelry store thieves after his daughter was shot by them. He and his wife, Betsy, were killed by Lavocat's henchman, Robert Chastain, as revenge for his part in their incarceration. Previously, Robert Fuller appeared as another character – Cade Wallace, a 19th-century Texas Ranger – in one episode. •
Michael Ironside as Nolan 'The Chairman' Pierce, a mysterious man who ran a protection racket out of Chicago to assist Crime Bosses all over the country in dealing with Undercover federal agents within their organizations. After his clients were taken down by Walker, he attempted to draw Walker out using Alex as bait. He was killed when he attempted to disarm his bomb, only to accidentally set it off. •
Brion James as Rafer Cobbs, a vicious drug pin and fugitive Walker was hunting. He held a young boy, Lucas Simms, and his mother, captive, during which they had a secret key to a large sum of money. After breaking into Walker's house on his ranch, he was beaten and arrested by Walker. •
Terry Kiser as Charlie Brooks, a clumsy and fast-talking accountant and informant for Walker and Trivette. He was arrested in Utah after stealing money from his employer, who was a crime boss, and lost it in a bad stock deal. He was sentenced to 1000 hours of community service but managed to clear away the remaining time after assisting Walker and Trivette in taking down a heist crew when he learned his
doppelgänger was an explosives expert for the heist. •
Jeff Kober as Kurt Nypo, a former karate champion-turned-drug runner who physically abuses his girlfriend while forcing her son to peddle his product for him. •
David Labiosa as Detective Sal Ochoa, a Dallas PD detective who assisted Walker and Trivette in various cases, from preventing a gang war, to clearing the name of a kickboxer accused of killing his trainer. His partner, Bill Sadler, was killed in Season 7 while taking down a heist crew stealing computers. •
Tammy Lauren as Ranger Roberta 'Bobby' Hunt, a former Brookdale PD Officer who made the Texas Rangers to replace a Ranger that was killed in the line of duty. She is a single mother who was being hassled by her abusive ex-husband, Russell, and later assisted Walker and Trivette in taking down a mob boss who was putting his son through a series of abusive lessons. •
Shane Thomas Meier as Thomas "Tommy" Joseph Malloy, Trent's younger brother who was subjected to bullying alongside his best friend, Adam Jones (the son of Pastor Roscoe Jones), he was later trained in Martial Arts by Trent and even competed in some events. •
Carliss Benson as Adam Jones, the son of Pastor Roscoe Jones and the best friend of Trent Malloy's younger brother, Tommy. Like Tommy, he, too, was picked on by bullies until he learned martial arts from Trent. He was a target for murder by the neo-Nazi organization the Sons of the Reich after the group mistakenly killed another boy whom he helped serve food baskets to needy families and then had to be sent away for protection after the organization almost kidnapped him and Tommy. •
John Haymes Newton as Joey Prado, a former kickboxing champion and protege to Walker who joined the Dallas PD afterwards and went undercover in taking down his childhood friend who plotted to distributed drugs into schools. •
Julia Nickson as Dr. Susan Lee, a geneticist who had been kidnapped three times throughout her appearances and the mother of Davey. •
Sean Carberry as Davey Lee, the son of Susan Lee and grandson of Dr. Henry Lee and the reincarnation Lama Dolgin, a former master to the Buddhist monk Master Rin. •
John Fujioka as Master Rin, a Buddhist monk who takes Davey Lee under his wing. •
Peter Onorati as Sergeant Vincent Rosetti, a
New York Police Sergeant with a strong New York accent, and who is a little arrogant and assists Walker and his task force in taking down the mysterious Chairman. •
Haley Joel Osment as Lucas Simms, a young child who Walker rescued from vicious drug pin Rafer Cobbs. He is terminally ill with
AIDs as is his mother, who died after being rescued. He was carrying a photo of him and his mother, which consisted of a key to an exorbitant amount of money. After Walker arrested Cobbs, Lucas finally succumbed to AIDs. •
Michael Parks as Caleb Hooks, a mercenary with Comanche blood who sought revenge against Walker after his brother was killed in a sting. He kidnapped Walker and put him through a series of deadly tests. He was later defeated and arrested, but later reemerged as he kidnapped Trivette and Alex and put Walker on a ghost hunt. He was later killed by Walker. • Vanessa Paul as Josie Martin, who runs a 'H.O.P.E.' center created by Alex after a near-death experience. One of Alex's bridesmaids at Alex and Walker's wedding. •
Wayne Pere as Victor LaRue, one of Walker's archenemies who repeatedly kidnapped and tried to rape Alex until he was shot dead in his final appearance, "Trial of LaRue". •
Marco Perella as Cobalt, a former smuggler now a CI working for the Rangers. He fears Trivette after a past issue and is the one person he refuses to work with. • Melinda Renna as Esperanza 'Marta' Lopez, a family friend to Walker and a restaurateur with her 2 sons, Ernesto and Tommy. She was raising her sons by herself due to the fact that her husband, Joe, went to prison for armed robbery, but was later paroled sometime after Ernesto was killed. • Lisa Rotondi as Buzz Lee, a convicted computer hacker who was recruited into Walker's task force in bringing down the Chairman. She had an outstanding rivalry with Cro-Mag, now called the Wizard over the money that was stolen from her personal account. It was attempting to retrieve her stolen money that led to her incarceration. After the Chairman and his clients were taken down, she received a full pardon. •
Frank Salsedo as White Eagle, the spiritual leader of the Cherokee reservation in Oklahoma where Walker grew up on, who debuts during season 3. •
Robin Sachs as Phillippe Brouchard, an international assassin skilled in all forms of combat and a master of disguise. He was first seen attempting to assassinate Mexican presidential candidate Rafael Mendoza. He later led a team to hold Mendoza and others hostage at a charity event with a demand for the release of Ernesto Espinoza. Instead he murdered Espinoza as part of a contract from a rival cartel. He was later defeated and arrested by Walker. •
Rod Taylor as Gordon Cahill, the once-estranged father of Alex, who is also an Attorney. •
Marshall R. Teague as Emile Lavocat, the primary antagonist for the final season (his actor also portrayed other antagonists including the pilot episode's Orson Wade). A career criminal whose family legacy dates back to Moon Lavocat during the western era. He is a skilled sniper who led a violent heist crew, which was taken down by the Company B Texas Rangers. Years later, he escapes and staged a prison break at
Huntsville to collect his crew in taking revenge against the 12 Rangers involved, he had already killed C.D. beforehand. He is killed when Walker unpins one of his grenades. •
T.J. Thyne as Wallace 'The Wizard' Slausen, a highly-skilled computer hacker once known as 'Cro-Mag' working for the Chairman in hacking the Governments mainframe in exposing federal agents embedded in criminal organizations. He was shot and left to die by the Chairman after he was discovered providing Walker's task force with information regarding the Chairman's clients. He soon died after the task force found him. •
Gwen Verdon as Maisie Whitman, an elderly lady whom C.D. was acquainted with. She was first seen pretending to have dementia when Parker was exposing corrupt doctors and orderlies at a retirement home who were using the elderly as guinea pigs in testing a banned
Alzheimer's drug with fatal results to which she helped C.D. bring them down (as she was able to see through his cover and recognized his intent). C.D. later assisted her when her daughter-in-law killed her son in order to steal a trust fund from her family. •
Burt Young as Jack 'Soldier' Belmont, a homeless war veteran who is friends with Walker and suffers from PTSD. He was first seen witnessing an attack on a priest and later assisted Walker in finding two runaway children and protecting them from a sweatshop kingpin after they witnessed him kill one of his workers, to which he himself was almost killed as well. He is accompanied by his dog and faithful companion, Lucky.
Notable guest stars ==Reception==