Le Peuple des Abimes

Eric Porter

Lansen

Hildegard Knef

Eva Peters

Suzanna Leigh

Unity Webster

Tony Beckley

Harry Tyler

Jimmy Hanley

Patrick, the bartender

James Cossins

Nick, chief engineer

Reg Lye

The Helmsman

Ben Carruthers

Ricaldi

Nigel Stock

Dr. Webster

Neil McCallum

First Officer Hemmings

Donald Sumpter

Sparks, the Radioman

Victor Maddern

The Mate