Richard Harris

John Carter

Ann Turkel

Susan Beresford

Gordon Jackson

Dr. Marston

John Vernon

Luis Carreras

David Janssen

Charles Conway

Burgess Meredith

Van Heurden

Leigh Lawson

Tony Cerdan

Robert Flemyng

Capt. Bullen

Keith Baxter

Preston

Robert Beatty

Dr. Taubman

Dorothy Malone

Mrs. Skinner

John Carradine

Fairweather

Christopher Chittell

Rogers

Richard Cox

Browning

Michael Howard

Benson

Hugh Rouse

Captain – Unicorn 1

Ian Hamilton

1st Officer – Unicorn 1

Ian Yule

McCloskey

Paul Malherbe

Gomez

Michael Fisher

Dexter

Lyn Hooker

Female Nurse

David H. Watkins

Miguel

Stephen Turner

Croupier

Yanko Gluscevic

Croupier

Philip Boucher

Agente

Steven Gurney

Radio Operator – Unicorn 1

Dennis Madeley

1st Engineer

Larry Taylor

Attacker

Billy Crauser

Attacker

John Sullivan

Attacker

Joe Powell

Male Nurse

Jannie Wienand

Attacker

Roy Scammell

Attacker

Jack Cooper

Attacker

Danny Keogh

Attacker

Shelagh Holliday

Passenger

Gabriel Bayman

Passenger

Marjorie Gordon

Passenger

Olive King

Passenger

Maureen Anstey

Passenger

Paddy Canavan

Passenger

Tanya Bader

Passenger

Vivienne Drummond

Passenger

Marina Christelis

Passenger

David Drummond

Passenger

Colin Sutcliffe

Passenger

Peter Tobin

Passenger

David Bailie

Younger Terrorist in Car (uncredited)

John Parsonson

Attacker (uncredited)

Tony Steedman

Assassin (uncredited)

Frank Wastell

Bartender (uncredited)