Credits

• 2015 · 3-D Rarities as (archive footage)
• 1994 · The World of Hammer as Self (archive footage)
• 1975 · The Swiss Family Robinson as
• 1974 · Freedom 2000 as
• 1971 · Cannon as
• 1969 · Change of Habit as Bishop Finley
• 1969 · The Valley of Gwangi as Champ
• 1968 · Lancer as
• 1968 · The Power as Prof. Norman E. Van Zandt
• 1966 · The Doomsday Flight as Chief Pilot Bob Shea
• 1966 · Kid Rodelo as Link
• 1965 · The F.B.I. as Harold David Dewitt
• 1964 · Voyage to the Bottom of the Sea as Mattson
• 1964 · Della as David Stafford
• 1963 · Burke's Law as Nels Manning
• 1963 · Burke's Law as Dr. Carol Smith
• 1963 · The Fugitive as Allan Pruitt
• 1963 · Arrest and Trial as Turner Leigh
• 1962 · Going My Way as
• 1962 · The Virginian as Sheriff Marden
• 1962 · The Virginian as Major Ralph Forrester
• 1961 · Famous Ghost Stories as Tom Stewart (segment 'Tormented')
• 1961 · Bus Stop as
• 1960 · Tormented as Tom Stewart
• 1960 · The Aquanauts as Ross Porter
• 1960 · Thriller as Guy Guthrie
• 1959 · Riverboat as Paul Drake
• 1959 · Rawhide as Major Buford
• 1958 · Mackenzie's Raiders as
• 1958 · The Unchained Goddess as The Writer
• 1957 · The Strange Case of the Cosmic Rays as The Fiction Writer
• 1957 · The Helen Morgan Story as Russell Wade
• 1957 · Perry Mason as Anthony Fry
• 1957 · Perry Mason as Clete Hawley
• 1957 · Hemo the Magnificent as Mr. Fiction Writer
• 1956 · Three for Jamie Dawn as Martin Random
• 1955 · Bengazi as Insp. Levering
• 1955 · The Last Command as William B. Travis
• 1955 · An Annapolis Story as Introductory Narrator (voice) (uncredited)
• 1954 · Climax! as Col. Dobie
• 1954 · Climax! as Cass Terhgune
• 1954 · Creature from the Black Lagoon as Dr. David Reed
• 1954 · Riders to the Stars as Dr. Jerry Lockwood
• 1953 · I Led 3 Lives as Herbert A. Philbrick
• 1953 · Letter to Loretta as Larry Carlson
• 1953 · Letter to Loretta as Radio Announcer (voice)
• 1953 · The Golden Blade as Narrator (voice)
• 1953 · All I Desire as Henry Murdoch
• 1953 · The Maze as Gerald MacTeam
• 1953 · It Came from Outer Space as John Putnam
• 1953 · Seminole as Major Degan
• 1953 · The Magnetic Monster as Dr. Jeffrey Stewart
• 1953 · General Electric Theater as Archie Hawkins
• 1953 · I Led Three Lives as Herbert Philbrick
• 1952 · Flat Top as Lt. (j.g.) Joe Rodgers
• 1952 · Retreat, Hell! as Capt. Paul Hansen
• 1952 · Whispering Smith vs. Scotland Yard as