Acting

2021

as Self (archive footage)

2018

as Himself

2001

as Himself

1988

as Mr. Martin

1983

as Mr. Whitby

1981

as Professor

1980

as Professor Benson

1979		The Rebels
1979		The Castaways on Gilligan's Island as Professor

1978		Rescue from Gilligan's Island as Professor Roy Hinkley, Jr.
1978		The Bastard as Col. James Barrett
1978		Police Story: No Margin for Error as Captain
1978		The Ghost of Flight 401 as Loft

1977		MacArthur as Admiral King
1977		Nowhere to Hide as Charles Montague
1977		Hitch Hike to Hell as Captain J.W. Shaw

1976

as Gen. George Stratemeyer

1975		Three Days of the Condor as Intelligence Officer at Briefing (uncredited)
1975		You Lie So Deep, My Love as The Foreman
1975		Adventures of the Queen as Forbes

1974		Aloha Means Goodbye as Dr. Frank Franklin
1974		The Man from Independence as Linaver

1973		Beg, Borrow...or Steal as Alex Langley
1973		The Horror at 37,000 Feet as Jim Hawley

1970

as Cliff Thomas

1969

1965

as Scribe

1958		The Saga of Hemp Brown as Hook
1958		Badman's Country as Sundance
1958		The Space Children as Joe Gamble

1957		Courage of Black Beauty as Ben Farraday
1957		Rock All Night as Jigger
1957		Attack of the Crab Monsters as Hank Chapman

1955		This Island Earth as Steve Carlson
1955		Strange Lady in Town as Shadduck
1955		Ma and Pa Kettle at Waikiki as Eddie Nelson
1955		Many Rivers to Cross as Banks

1954		Black Tuesday as Howard Sloane
1954		Johnny Dark as Emory
1954		Ride Clear of Diablo as Jed Ringer

1953		Tumbleweed as Lam Blandon
1953		The Stand at Apache River as Greiner
1953		It Came from Outer Space as George
1953		Column South as Biddle
1953		Law and Order as Jimmy Johnson
1953		Seminole as Lt. Hamilton

1952		Back at the Front as Johnny Redondo - Smuggler
1952		The Turning Point as Herman (uncredited)
1952		Loan Shark as Charlie Thompson
1952		Rancho Notorious as Chuck-A-Luck Wheel Spinner (uncredited)
1952		For Men Only as Ky Walker