James Coburn

Robert Elliot

Lee Grant

Jean Robertson

Harry Andrews

Albert Parsons

Ian Hendry

Alex Hellman

Michael Jayston

David Baker

Christiane Krüger

Christina Larsson

Keenan Wynn

E.J. Farnsworth

Terence Alexander

Business tycoon

Julian Glover

Arnold Pryce-Jones

Philip Anthony

Eliot's Secretary

Mary Larkin

Jean's Secretary

Ewan Roberts

Laboratory Technician

David Swift

Chester Drake

Rolf Wanka

Art Dealer

Ray Callaghan

TV Producer

Ralph Ball

Boy Friend

Brian Tully

Business Man

Michael Nightingale

Business Man

Richard Cornish

Co-Pilot

Susan Majolier

Laboratory Assistant

Carrie Kirstein

Air Hostess