Anthony Steel as Gus Randall

Robert Beatty as Nick Millbourne

David Knight as Bill Steiner

Margo Lorenz as Leah Rosch

James Robertson Justice as Captain Brent

Eunice Gayson as Penny Henson

Isabel Dean as Mrs Malcolm

Gordon Harker as Joe Harvey, the Taxi Driver

Bernard Lee as Customs Officer

Michael Howard as Tom Purvis

Marie Lohr as Rich Woman

Esma Cannon as Rich Woman's Companion

Abraham Sofaer as The Indian

Melissa Stribling as Jean Osmond

Sid James as Henry, the Gambler

Barbara Leake as The Gambler's Wife

Megs Jenkins as Mrs Jones, the Landlady

Harold Kasket as Hafadi

Jack Lambert as Chief Engineer

Cyril Luckham as Doctor Harman

Nicholas Phipps as Hilton-Davidson

Jill Melford as Eleanor