Mondo dell'orrore di Dario Argento, Il (1985) - Himself
Secret Weapons (1985/TV) - Colonel Victor Khudenko
Veliki Transport aka Heroes (1983)
Butterfly (1981) - Moke Blue
Jacqueline Bouvier Kennedy (1981/TV) - John F. Kennedy
Ultimo squalo, L' aka The Great White Shark (1980) - Peter Benton
Nightkill (1980) - Steve Fuller
When Time Ran Out... (1980) - Bob Spangler
Concorde Affaire '79 (1979) - Moses Brody
City on Fire (1979) - Jimbo
A Midwestern American town burns to the ground in a cut-rate disaster movie. Filmed in Montreal Canada and stars Henry Fonda, Shelly Winters, Ava Gardner, Leslie Nielsen and James Franciscus.
Good Guys Wear Black (1978) - Conrad Morgan
Killer Fish (1978) - Paul Diller
A group of daring adventurers attempt to bring to the surface a fortune in gems which lie sunken in a reservoir stocked with deadly piranha.
Puzzle (1978) (TV) - Harry Scott
The Pirate (1978/TV) - Dick Carriage
Secrets of Three Hungry Wives (1978/TV) - Mark Powers
The Greek Tycoon - President James Cassidy
Hunter (1976-1977/TV Pilot-Series) - James Hunter
The Amazing Dobermans (1976) - Lucky
The Man Inside (1976/TV) - Rush
One of My Wives Is Missing (1976/TV) - Daniel Corban
A Girl Named Sooner (1975/TV/producer)
The Trial of Chaplain Jensen (1975/TV) - Chaplain Andrew Jensen
The Dream Makers (1975/TV) - Sammy Stone
Aloha Means Goodbye (1974/TV) - Dr. Lawrence Maddox
Jonathan Livingston Seagull (1973/voice) - Jonathan
Doc Elliot (1973/TV Series) - Dr. Benjamin Elliot
The Red Pony (1973/TV/producer)
Water World (1972/TV Series/voice) The Narrator
The 500 Pound Jerk (1972/TV) - Gil Davenport
Kidnapped (1971/producer)
Longstreet (1971/TV/Pilot/Series) - Mike Longstreet
Il Gatto a nove code aka The Cat o' Nine Tails (1971) - Carlo Giordani
James Franciscus plays a reporter in hot pursuit of a crazy mad slasher. Karl Malden plays a blind ex-reporter that helps with the mad hunt.
The Valley of Gwangi (1969) - Tuck Kirby
Shot on location in Spain. Cowboys discover a hidden valley in the Grand Canyon and encounter prehistoric beasts there. An Allosauraus (Gwangi) is captured and put on exhibition. He escapes and reeks havoc on the city and eventually has to be killed
The Outsider (1961) - Private James B. Sorenson
Based on the life of Ira Hamilton Hayes who helped raise the American Flag on Mount Suribuchi with 5 other Marines (one of which is Rene Gagnon) during the battle of Iwo Jima. Starts Tony Curtis as Ira Hamilton Hayes and James Franciscus as Pvt. James Sorenson.
The Investigators (1961/TV Series) - Russ Andrews
I Passed for White (1960) - Rick Leyton
The Mugger (1958) - Eddie Baxter
The Naked City (1958-1959/TV Series) - Detective James "Jimmy" Halloran