- Eric Porter
- Capt. Lansen
- Hildegard Knef
- Eva Peters
- Suzanna Leigh
- Unity Webster
- Tony Beckley
- Harry Tyler
- Nigel Stock
- Dr. Webster
- Neil McCallum
- First Officer Hemmings
- Ben Carruthers
- Ricaldi
- Jimmy Hanley
- Patrick, the Bartender
- James Cossins
- Nick, Chief Engineer
- Dana Gillespie
- Sarah
- Victor Maddern
- Mate
- Reg Lye
- Helmsman
- Norman Eshley
- Jonathan, the Prisoner
- Michael Ripper
- Sea Lawyer
- Donald Sumpter
- Sparks, the Radioman
- Alf Joint
- Jason, a Crewman
- Charles Houston
- Braemer, a Crewman
- Shivendra Sinha
- Hurri Curri
- Darryl Read
- El Diablo
- Eddie Powell
- The Inquisitor
- Frank Hayden
- Sergeant
- Mark Heath
- Customs Man
- Horace James
- Customs Man
- Maxwell Craig
- Crewman
- Sylvana Henriques
- Traveller on Boat
- Cynthia Myers
- Native Girl
