Terence Morgan

Johnny O'Flynn

Joan Rice

Doreen Wilson

Raymond Lovell

Inspector Forsythe

Dianne Foster

Sylvia Newman

Colin Tapley

Dr. Crabtree

Esmond Knight

Prof. Newman

Mark Baker

Dr. Metcalfe

Cyril Conway

Sgt. Cove

Hector Ross

Beroni

Arthur Lovegrove

Gilchrist

Esma Cannon

Patient in Doctor's Waiting Room

Sam Kydd

Chauffeur

Michael Balfour

'The Mae McCleod' Captain

Tom Gill

Hotel Receptionist

Hal Osmond

Taxi Driver

Robert S. Baker

Director

Roy Chanslor

Story

Desmond Davis

Focus Puller

John Gilling

Screenplay

Robert S. Baker

Producer

Monty Berman

Producer

Frank Cordell

Original Music Composer

Gerald Gibbs

Director of Photography

Peter Taylor

Editor

Gerry Fairbank

Makeup Artist

Adrian D. Worker

Production Manager

George Fowler

Assistant Director

Leonard Bulkley

Sound Recordist

George Burgess

Sound Supervisor

Dudley Lovell

Camera Operator

Pamela Carlton

Continuity