Charles Bronson
— Capt. Wolf Larsen
Catherine Mary Stewart
— Flaxen Brewster
Marc Singer
— Johnson
Len Cariou
— Dr. Picard
Clive Revill
— Thomas C. 'Cookie' Mugridge
Christopher Reeve
— Humphrey Van Weyden
Shane Kelly
— Leach
Gavin Buhr
— 2nd Police Officer on Ferry Martinez
Garry Chalk
— Chandler / First Mate
Tom McBeath
— Latimer
Stan Barrett
— Ofty Ofty
Dee Jay Jackson
— Smoke
Eli Gabay
— Dogbreath, Helmsman
Russell Roberts
— French Frank (as Russell J. Roberts)
Bill Croft
— Donovan
John Novak
— Jameson Damisk
Peter Haworth
— Reginald Brewster
John Destry
— 1st Police Officer on Ferry Martinez (as John Destrey)
Richard Faraci
— Larsen Man (uncredited)
Rachel Hayward
— Ann Treadwell
Andrew J. Fenady
— Bartender on Ferry Martinez (as A.J. Fenady)
William Samples
— Charles Furuseth