Klaus Kinski
Jacques Müller (Jacmel)

Oliver Reed
Dave Averconnelly

Nicol Williamson
Cmdr. William Bulloch

Sarah Miles
Dr. Marion Stowe

Sterling Hayden
Howard Anderson

Cornelia Sharpe
Ruth Hopkins

Susan George
Louise Andrews

Michael Gough
David Ball

Mike Gwilym
Det. Constable Dan Spencer

Edward Hardwicke
Lord Dunning

Hugh Lloyd
Cab Driver

Rita Webb
Mrs. Loewenthal

Maurice Colbourne
Sampson

Ian Brimble
Constable

Alan Ford
Peters

David Sterne
Driver

Charles Cork
Driver's Mate

Eric Richard
Airline Clerk

Arnold Diamond
Head Waiter

Pat Gorman
Policeman (uncredited)

Guy Standeven
Passer-by (uncredited)