Laurence Harvey as Rex Black

Lee Remick as Stella Black

Alan Bates as Stephen

Felix Aylmer as Parson

Eleanor Summerfield as Hilda Tanner

Colin Gordon as Solicitor

Allan Cuthbertson as Jenkins

Harold Goldblatt as Tom Webster

Noel Purcell as Miles Bleeker

Ramsay Ames as Madge Penderby

Fernando Rey as Police Official

Juanjo Menéndez as Roberto (as Juan Jose Menendez)

Eddie Byrne as Sam Crewdson

John Meillon as Jim Jerome

Roger Delgado as Spanish Doctor

Fortunio Bonanova as Spanish Bank Manager

Shirley Gale as Florence

José Calvo as Porter

Joe Lynch as Roy Tanner

Freddy Roberts as Guide

Adriano Domínguez as Civil Guard

James Neyland as English Customs Official

Pamela Mant as Margaret Webster

Herbert Curiel as 1st Witness

Antonio Padilla Ruiz as 2nd Witness

Lockwood West as Bank Manager

Bob Cunningham as Thomas Guppy

Ildefonso San Félix as Customs Official

Manolita Barroso as Dianne

Rafael Albaicín as Waiter

Ángel Jiménez as 1st Gipsy Boy

Juan Jiménez as 2nd Gipsy Boy