Aidman guest-starred on
NBC's
The Virginian in the episode "The Devil's Children" and twice on the NBC
Western series
The Californians. He also appeared twice on
Richard Diamond, Private Detective. He portrayed a
bounty hunter on
ABC's Western series
Black Saddle. He was cast in
CBS's fantasy drama
The Twilight Zone in the episodes "
And When the Sky Was Opened" and "
Little Girl Lost". He also guest-starred on other Western series, including the ABC/
Warner Bros. series
Colt .45; ABC's
The Rebel; CBS's
Gunsmoke (in 5 episodes); NBC's
Riverboat (as Frank Paxton in the episode "The Fight at New Canal"); NBC's
The Americans; CBS's
Trackdown (as Len Starbuck in "The Samaritan"); and CBS's
Johnny Ringo (as Jeffrey Blake in "The Stranger"). Aidman guest starred on the NBC children's Western
Fury, in episodes of the ABC/WB crime drama
Bourbon Street Beat, and in the
syndicated aviation adventure series
Whirlybirds. He appeared in 1959 and 1960 in different roles on three episodes of the syndicated crime drama
U.S. Marshal. In 1960, Aidman made a guest appearance on the
CBS courtroom drama
Perry Mason (as Arthur Siddons in "The Case of the Gallant Grafter"). Aidman also guest starred in a 1961 episode of the Western TV series
Bonanza (as Jim Applegate in "The Rival"). In 1961, in the
Peter Gunn episode "Witness in the Window", Aidman hires Peter Gunn to investigate a woman who is blackmailing him over alleged sexual improprieties that he denies. In the NBC Western series
The Tall Man, in the episode "Shadow of the Past", Aidman was cast as Ben Wiley, the father of Sue Wiley, the latest girlfriend of
Billy the Kid. In 1962 and 1963, he made two appearances on
The Dick Van Dyke Show. Also in 1963, Aidman was cast as George Ellsworth, an official with the United States Embassy in
Warsaw,
Poland, in the three-part episode "Security Risk" of the
CBS anthology series
GE True. He also played a sex-education teacher in the episode of ''
Slattery's People "Do the Ignorant Sleep in Pure White Sheets"? Also in 1963, Aidman adapted Spoon River Anthology'' by poet
Edgar Lee Masters into a theater production. It is a production that is still performed. In 1965, he played a teacher in a sixth-season episode of
The Andy Griffith Show. He appeared on the NBC Western series
The Road West in its 1966 episode "The Lean Years". That same year, Aidman played scientist Dr. Hollis, who turns into a werewolf in an episode of
Voyage to the Bottom of the Sea. He also guest-starred on CBS's
The Wild Wild West during the series's fourth season in a recurring role as Jeremy Pike, one of Jim West's substitute
sidekicks. In 1968, he appeared in ABC's
The Invaders as research scientist Julian Reed, in the episode "The Pit". In 1970, Aidman appeared in
Hawaii Five-O as Dr. Royce, and in 1973 Aidman played in the episode "Seance" in
Emergency!. In 1974, he introduced the character Louis Willis (later known as Tom Willis), father-in-law-to-be of
Lionel Jefferson, in the February 1974 episode of CBS's
All in the Family "Lionel's Engagement". In 1977, Aidman played the father of Elmer Dobkins in an episode of
Little House on the Prairie. Aidman appeared in an episode of the
police drama Nakia. Also in 1977, in "The Grim Reaper" episode of
M*A*S*H, he portrayed Colonel Bloodworth, a callous, sadistic commander who takes pleasure in predicting casualties and reducing his troops to statistics. From 1985 to 1987, Aidman was the narrator of the revival of
The Twilight Zone series (until he was replaced by
Robin Ward). His film roles include
Pork Chop Hill (1959),
War Hunt (1962),
Hour of the Gun (1967),
Countdown (1968),
Angel, Angel, Down We Go (1969),
Tell Them Willie Boy Is Here (1969),
Adam at 6 A.M. (1970),
Kotch (1971),
Dirty Little Billy (1972),
Deliver Us from Evil (1973), ''
Twilight's Last Gleaming (1977), Zoot Suit (1981), Uncommon Valor (1983) and Innerspace'' (1987), his final feature-film appearance. ==Personal life and death==