Edward Judd

Dr. Mike Vernon

Yoko Tani

Leader of the Lystrians

Valerie Gearon

Dr. Claire Harland

Lyndon Brook

Brian Carter

Ric Young

The Lystrian

Tsai Chin

Nurse Lim

Barrie Ingham

Major Muncaster

Anthony Sharp

Lawrence Blackburn

Glyn Houston

Police Sergeant Draycott

Ann Castle

John Tate

Jean Lodge

Ann Martin

Tony Wall

Peter Thomas

Mark Kingston

Peter Thomas

Cali Raia

Emrys Leyshon

Leonard Cracknell

Stephanie Bidmead

Norman Mitchell

Peter Sinclair

Diane Aubrey

John Tate

Dundy

Alan Bridges

Director

Roger Marshall

Guión, Guión Adaptado

Robert Holmes

Guión, Historia

James Wilson

Director de Fotografía

Peter Allwork

Camera Operator

Bernard Ebbinghouse

Compositor de la Música Original

Roy Norman

Sound Editor

Brian Blamey

Sound Editor

Jack Greenwood

Productor

Merton Park Studios

Compañía de Produccion

Ronnie Curtis

Casting

Jean Bear

Estilista

Benny Royston

Maquilladora

Eileen Welch

Diseño de Vestuario

Derek Holding

Editor

Scott MacGregor

Dirección Artística

Jack Kine

Special Effects

Stan Shields

Special Effects

Ronnie Whitehouse

Special Effects

Red Law

Sound Recordist