Denton was active in
Little Theater productions during his time as a student at the University of California, Berkeley. From 1945 until his death in 1966, Denton also starred in many films, including
The Great St. Louis Bank Robbery (1959; with
Steve McQueen in his first leading film role),
The Parent Trap (1961),
Birdman of Alcatraz (1962),
To Kill a Mockingbird (1962), and ''
Bus Riley's Back in Town''. During May 1952, he starred as
Abraham Lincoln in an episode of
American Inventory that was a preview of a pilot for a proposed series. He also performed as a guest star in many television series, including
Bonanza (1961 episode "The Secret"),
Alfred Hitchcock Presents, Gunsmoke (as “Clint”, a homicidal cold blooded outlaw in the S7E11 episode “Apprentice Doc” & as “”Walker”, a murderer whose guilt eats away at him in the S8E24 episode “Blind Man’s Bluff”),
Have Gun Will Travel with
Richard Boone,
The Fugitive with
David Janssen, and
The Donna Reed Show (1962 episode "Once Upon a Timepiece"). In 1960, he co-starred in an unsold pilot titled,
Mountain Man, about a
Rocky Mountain fur trading station in the 1840s. Denton made two guest appearances on the
CBS courtroom drama series
Perry Mason. == Personal life ==