(1952) Rancho Notorious

as Chuck-A-Luck Wheel Spinner (uncredited)

(1955) This Island Earth

as Steve Carlson

(1965) The Greatest Story Ever Told

as Scribe

(1978) The Bastard

as Col. James Barrett

(1957) Attack of the Crab Monsters

as Hank Chapman

(1954) Black Tuesday

as Howard Sloane

(1978) Rescue from Gilligan's Island

as Professor Roy Hinkley, Jr.

(1977) Hitch Hike to Hell

as Captain J.W. Shaw

(1973) The Horror at 37,000 Feet

as Jim Hawley

(1952) The Turning Point

as Herman (uncredited)

(1953) Seminole

as Lt. Hamilton

(1955) Ma and Pa Kettle at Waikiki

as Eddie Nelson

(1953) It Came from Outer Space

as George

(1955) Many Rivers to Cross

as Banks

(1978) The Ghost of Flight 401

as Loft

(1952) Loan Shark

as Charlie Thompson

(2001) Surviving Gilligan's Island: The Incredibly True Story of the Longest Three Hour Tour in History

as Himself

(1974) The Man from Independence

as Linaver

(1957) Rock All Night

as Jigger

(1979) The Castaways on Gilligan's Island

as Professor

(1975) Adventures of the Queen

as Forbes

(1976) Collision Course: Truman vs. MacArthur

as Gen. George Stratemeyer

(1953) Column South

as Biddle

(1977) MacArthur

as Admiral King

(1958) The Saga of Hemp Brown

as Hook

(1975) You Lie So Deep, My Love

as The Foreman

(1957) Courage of Black Beauty

as Ben Farraday

(1952) For Men Only

as Ky Walker

(1978) Police Story: No Margin for Error

as Captain

(1952) Back at the Front

as Johnny Redondo - Smuggler

(1953) Tumbleweed

as Lam Blandon

(1953) Law and Order

as Jimmy Johnson

(1980) The Great Skycopter Rescue

as Professor Benson

(1970) The Movie Murderer

as Cliff Thomas

(1979) The Rebels

as ---

(2021) Hollywood in the Atomic Age: Monsters! Martians! Mad Scientists!

as Self (archive footage)

(1981) The Harlem Globetrotters on Gilligan's Island

as Professor

(1964) A Distant Trumpet

as Captain Brinker

(1953) The Stand at Apache River

as Greiner

(1955) Strange Lady in Town

as Shadduck

(1954) Johnny Dark

as Emory

(1983) Off the Wall

as Mr. Whitby

(1954) Ride Clear of Diablo

as Jed Ringer

(1958) Badman's Country

as Sundance

(1973) Beg, Borrow...or Steal

as Alex Langley

(1969) Cry for Poor Wally

as ---

(1988) Blue Movies

as Mr. Martin

(2018) The Gilligan Manifesto

as Himself

(1975) Three Days of the Condor

as Intelligence Officer at Briefing (uncredited)

(1958) The Space Children

as Joe Gamble

(1977) Nowhere to Hide

as Charles Montague

(1974) Aloha Means Goodbye

as Dr. Frank Franklin

(1977) Lou Grant

as ---

(1963) The Great Adventure

as Narrator (voice)

(1958) 77 Sunset Strip

as ---

(1982) Gilligan's Planet

as Roy "The Professor" Hinkley (voice)

(1982) Fame

as ---

(1965) The F.B.I.

as Phillip Graham

(1964) Gilligan's Island

as Roy "The Professor" Hinkley

(1966) That Girl

as ---

(1975) The Jeffersons

as ---

(1988) Roseanne

as ---

(1996) E! True Hollywood Story

as ---

(1973) Hawkins

as District Attorney

(1981) Dynasty

as ---

(1994) Space Ghost Coast to Coast

as Self

(1980) Bosom Buddies

as ---

(1967) Mannix

as ---

(1985) MacGyver

as Oslow

(1979) Knots Landing

as Tim Murphy

(1974) The New Adventures of Gilligan

as Professor Roy Hinkley (voice)

(1982) Newhart

as ---

(1955) Gunsmoke

as Stanger

(1975) Wonder Woman

as Colonel

(1959) Hawaiian Eye

as ---

(1954) Lassie

as ---

(1971) Cannon

as ---

(1986) ALF

as Professor Roy Hinkley

(1951) Hallmark Hall of Fame

as Lefty

(1988) Monsters

as ---

(1959) The Twilight Zone

as Prof. Manion

(1967) Ironside

as ---

(1961) Ripcord

as ---

(1955) Alfred Hitchcock Presents

as Turk

(1963) The Greatest Show on Earth

as ---

(1966) Felony Squad

as ---

(1959) Rawhide

as Burt Harvey

(1973) Police Story

as ---

(1960) Thriller

as Adam Talmadge

(1950) Lux Video Theatre

as Carter

(1952) Adventures of Superman

as ---

(1959) Adventures in Paradise

as Bowman

(1953) You Are There

as ---

(1959) Black Saddle

as Marshal Gib Scott

(1963) The Dakotas

as ---

(1958) Lawman

as ---

(1961) Ben Casey

as ---

(1959) Riverboat

as Darius

(1971) Vanished

as Clyde Morehouse

(1952) Cavalcade of America

as Karl Nader

(1977) Code R

as Ike

(1962) General Electric True

as ---

(1953) City Detective

as ---

(1957) Wagon Train

as Craig Manson

(1959) The DuPont Show with June Allyson

as Hugh

(1972) ABC Afterschool Special

as Mr. Calder

(1955) Kings Row

as ---

(1954) The Adventures of Rin Tin Tin

as Sgt. Stan Powers

(1957) Tales of Wells Fargo

as William Dodd

(1959) The Deputy

as Albee Beckett

(1959) The Twilight Zone

as Pete Corrigan

(1952) Adventures of Superman

as Man on Phone in Montage (archive footage)

(1958) Jefferson Drum

as The Sundown Kid

(1965) The F.B.I.

as Jim Kellogg

(1965) The F.B.I.

as Dr. McGregor

(1955) Gunsmoke

as Harry Webb

(1955) Gunsmoke

as Diggs

(1955) Gunsmoke

as Link Parrin

(1963) The Outer Limits

as Major Benedict

(1952) Cavalcade of America

as Dan Marshall

(1971) Owen Marshall: Counselor at Law

as Asst D.A. Grant

(1959) The DuPont Show with June Allyson

as Tom Richards

(1976) Rich Man, Poor Man - Book II

as Detective

(1963) The Great Adventure

as Self - Narrator

(1960) Route 66

as Bob Keel

(1958) Steve Canyon

as Maj. Pitch Hammer

(1949) The Lone Ranger

as Tom Levering

(1971) McMillan & Wife

as Carl Jensen

(1950) Lux Video Theatre

as Lennigan

Stevie and Zoya

as Narrator

(1971) Owen Marshall: Counselor at Law

as Asst. D.A. Grant

(1971) Owen Marshall: Counselor at Law

as Brenton Grant

(1980) Beyond Westworld

as Patrick

(1971) Owen Marshall: Counselor at Law

as Asst. D.A. Brenton Grant

(1967) The Invaders

as James Bernard

(1963) Temple Houston

as ---

(1959) The Detectives

as Lee