 Charles BronsonCapt. Wolf Larsen | Capt. Wolf Larsen |
 Catherine Mary StewartFlaxen Brewster | Flaxen Brewster |
 Marc SingerJohnson | Johnson |
 Len CariouDr. Picard | Dr. Picard |
 Clive RevillThomas C. 'Cookie' Mugridge | Thomas C. 'Cookie' Mugridge |
 Christopher ReeveHumphrey Van Weyden | Humphrey Van Weyden |
| SShane KellyLeach | Leach |
| GGavin Buhr2nd Police Officer on Ferry Martinez | 2nd Police Officer on Ferry Martinez |
 Garry ChalkChandler / First Mate | Chandler / First Mate |
 Tom McBeathLatimer | Latimer |
| SStan BarrettOfty Ofty | Ofty Ofty |
 Dee Jay JacksonSmoke | Smoke |
 Eli GabayDogbreath, Helmsman | Dogbreath, Helmsman |
 Russell RobertsFrench Frank (as Russell J. Roberts) | French Frank (as Russell J. Roberts) |
 Bill CroftDonovan | Donovan |
 John NovakJameson Damisk | Jameson Damisk |
| PPeter HaworthReginald Brewster | Reginald Brewster |
 John Destry1st Police Officer on Ferry Martinez (as John Destrey) | 1st Police Officer on Ferry Martinez (as John Destrey) |
 Richard FaraciLarsen Man (uncredited) | Larsen Man (uncredited) |
 Rachel HaywardAnn Treadwell | Ann Treadwell |
| AAndrew J. FenadyBartender on Ferry Martinez (as A.J. Fenady) | Bartender on Ferry Martinez (as A.J. Fenady) |
 William SamplesCharles Furuseth | Charles Furuseth |
