(1957) The 27th Day

as Jonathan Clark

(1956) The Houston Story

as Frank Duncan

(1954) Naked Alibi

as Al Willis

(1979) Guyana: Crime of the Century

as Congressman Lee O'Brien

(1957) Forty Guns

as Wes Bonell

(1956) Back from Eternity

as Jud Ellis

(1958) Thunder Road

as Troy Barrett

(2004) Los Angeles Plays Itself

as Dr. Clayton Forrester in The War of The Worlds (archive footage)

(2002) The Men Who Made the Movies: Samuel Fuller

as Wes Bonnell (archive footage) (uncredited)

(1952) The Atomic City

as Dr. Frank Addison

(1957) China Gate

as Sgt. Brock

(2001) These Old Broads

as Mr. Stern

(1953) The Girls of Pleasure Island

as Capt. Beaton

(1981) The Adventures of Nellie Bly

as John Cockerill

(1955) The Purple Mask

as Captain Charles Laverne

(1954) Alaska Seas

as Verne Williams

(1958) Hong Kong Confidential

as Agent Casey Reed

(1953) Those Redheads from Seattle

as Johnny Kisco

(1967) Maroc 7

as Simon Grant

(1971) The Devil and Miss Sarah

as Rankin

(2005) War of the Worlds

as Grandfather

(1974) The Second Coming of Suzanne

as Jackson Sinclair, the TV Commentator

(1968) Subterfuge

as Michael A. Donovan

(1969) Istanbul Express

as Michael London

(1981) The Girl, the Gold Watch & Dynamite

as Andrew Stovall

(1971) Do You Take This Stranger?

as Murray Jarvis

(1979) Abraham's Sacrifice

as Abraham

(1954) Red Garters

as Rafael Moreno

(1955) Soldier of Fortune

as Louis Hoyt

(1980) A Cry for Love

as Gordon Harris

(1968) Prescription: Murder

as Dr. Ray Flemming

(1989) Turn Back the Clock

as John Forrest

(1987) Perry Mason: The Case of the Lost Love

as Glenn Robertson

(2005) The Sky Is Falling: Making 'The War of the Worlds'

as Self

(1953) The War of the Worlds

as Clayton Forrester

(2007) Tim Conway: Timeless Comedy

as Self

(1977) Ransom for Alice!

as Harry Darew

(1987) Happy 100th Birthday, Hollywood

as Self

(1991) The Gambler Returns: The Luck of the Draw

as Bat Masterson

(1957) Ain't No Time for Glory

as Lt. Roy Koalton

(2022) Way of Tomorrow: The Evolution of Science Fiction Movies

as Self - (archive footage)

(1963) Burke's Law

as Captain Amos Burke

(1985) The Twilight Zone

as Prince of Darkness (segment "Time and Teresa Golowitz")

(1988) My Secret Identity

as ---

(1976) Charlie's Angels

as Frank Jason

(1953) General Electric Theater

as Mike Thompson

(1955) Alfred Hitchcock Presents

as Del Delaney

(1984) Crazy like a Fox

as Nicholas Roland

(1972) The Adventurer

as Gene Bradley

(1955) The Millionaire

as Steve Carey

(1964) The Hollywood Palace

as Self

(1950) Lux Video Theatre

as Cosgrove / Griggsy

(1960) Pete and Gladys

as ---

(1956) The Dinah Shore Chevy Show

as Self

(1958) Bat Masterson

as Bat Masterson

(1949) Suspense

as ---

(1981) Aloha Paradise

as ---

(1956) The Steve Allen Show

as Self - Bat Masterson

(1953) Letter to Loretta

as David Mason

(1965) Amos Burke: Secret Agent

as ---

(1994) Burke's Law

as Amos Burke

(1954) Studio 57

as ---

(1956) Tony Awards

as Self - Performer

(1968) The Name of the Game

as Glenn Howard

(1955) Alfred Hitchcock Presents

as Dan Varrel

(1977) Aspen

as Carl Osborne

(1976) Charlie's Angels

as Steve Moss

(1988) Paradise

as Bat Masterson

(1977) The Love Boat

as Alfred Newberry

(1977) The Love Boat

as Ted Anderson

(1977) The Love Boat

as Wade Hubbard

(1984) Murder, She Wrote

as Henry Reynard

(1962) The Alfred Hitchcock Hour

as John Chambers

(1955) The 20th Century Fox Hour

as Lieutenant Eddie Pfeiffer

(1978) Fantasy Island

as Neville Quinn

(1961) The Mike Douglas Show

as Self - Co-Host

(1956) Tony Awards

as Self