Giacomo Rossi Stuart
- The Hell's Gate
1989 Dr. Johns
- Wartime
1987 professor Amundsen
- Seven Dangerous Women
1979 Enrico Cavallari
- Blue Nude
1978 Director
- Covert Action
1978 Grant
- The War of the Robots
1978 Roger
- The Biggest Battle
1978 American Commando Leader
- Twilight of Love
1977 Writer
- The Bloodsucker Leads the Dance
1977 Count Richard Marnack
- Casanova & Co.
1977 Marquis Coppafrata (uncredited)
- Emanuelle in Bangkok
1976 Jimmy
- Violence for Kicks
1976 Stefano's father
- Reflections in Black
1975 Anselmi
- Zorro
1975 Fritz von Merkel
- The Murri Affair
1974 Riccardo Murri
- The Last Four Days
1974 Jack Donati
- The Minor
1974 Carlo Salvi (as Giacomo Rossi-Stuart)
- Death Smiles on a Murderer
1973 Dr. von Ravensbrück - Walter's Father
- The Fighting Fist of Shanghai Joe
1973 Tricky
- Mafia Junction
1973 Marco
- The Off-Road Girl
1973 Giulio Morganti
- The Lonely Woman
1973 Richard Leighton
- Ben & Charlie
1972 Hawkins, Pinkerton detective
- The Crimes of the Black Cat
1972 Victor Morgan
- The Girl with the Moon Skin
1972 Giacomo
- You're Jinxed, Friend, You've Met Sacramento
1972 Tom Murdock
- The Murder of Julius Caesar
1972 Brutus
- The Godfather
1972 G.I. (uncredited)
- The Night Evelyn Came Out of the Grave
1971 Dr. Richard Timberlane
- Something Creeping in the Dark
1971 Donald Forrest
- Kill Django...Kill First
1971 Johnny MaGee / Django
- The Double
1971 Giovanni's Brother
- Churchill's Leopards
1970 Major Powell
- Hornets' Nest
1970 Schwalberg
- The Night of the Assassin
1970 Lt. Tibbitt
- The Last Day of the War
1970 Pvt. Kendall
- The Weekend Murders
1970 Ted Collins
- Guess Who's Coming for a Snack?
1969 Comandante del Lager
- Shadow of Death
1969 Gert Muller
- The Battle of the Damned
1969 Major Carter
- The 5-Man Army
1969 One of Gutierrez' Officers
- Ragan
1968 Kohler
- Bloody Che Contra
1968 Prado
- Zorro the Fox
1968 Don Pedro
- Snow Devils
1967 Cmdr. Rod Jackson
- The Glass Sphinx
1967 Ray
- An Eye for an Eye, A Tooth for a Tooth
1967 Jeff Gordon / Agent Z-55
- Kill, Baby... Kill!
1966 Dr. Paul Eswai
- War Between the Planets
1966 Cmdr. Rod Jackson
- Knives of the Avenger
1966 King Arald
- Degueyo
1966 Norman Sandel
- Ring Around the World
1966 Hitman
- The Big Blackout
1966 Roland
- Duel at Sundown
1965 Quents
- Temple of the White Elephant
1964 Reginald Milliner
- Massacre At Grand Canyon
1964 Sheriff Burt Cooley
- Badmen of the West
1964 Sheriff Gary Smith
- Seven Slaves Against the World
1964 Gaius
- The Revenge of the Gladiators
1964 Fulvio
- Kidnapped to Mystery Island
1964 Tremal Naik
- The Last Man on Earth
1964 Ben Cortman
- Gunfight at Red Sands
1963 Sheriff Lance Corbett
- Catherine of Russia
1963 Count Poniatowski
- Zorro and the Three Musketeers
1963 Athos
- Arms of the Avenger
1963 Vannozzo Duchesca
- The Shortest Day
1963 Soldato austriaco (uncredited)
- The Avenger
1962 Eurialo
- Invasion 1700
1962 (as Giacomo Rossi-Stuart)
- Sodom and Gomorrah
1962 Ishmael
- Slave of Rome
1961
- Caltiki, the Immortal Monster
1959 Prof. Rodriguez's Assistant
- Knight Without a Country
1959 Ruggero
- The Silent Enemy
1958 Rosati
- The Day the Sky Exploded
1958 Stuart (uncredited)
- Il conte di Matera
1957 il duca Paolo Bressi
- The House of Intrigue
1956 Henry
- War and Peace
1956 Young Cossack (uncredited)
- The Red Cloak
1955
- Jeunes mariés
1953
