Callan

Edward Woodward

David Callan

Eric Porter

Hunter

Carl Möhner

Schneider

Catherine Schell

Jenny

Peter Egan

Toby Meres

Russell Hunter

Lonely

Kenneth Griffith

Waterman

Michael Da Costa

The Greek

Veronica Lang

Liz, Hunter's Secretary

Clifford Rose

Dr. Snell

David Prowse

Arthur

Don Henderson

George

Nadim Sawalha

Padilla

David Graham

Wireless Operator

Yuri Borienko

Security Porter

Peter Symonds

Smart Security Man

Raymond Bowers

Shabby Security Man

Joe Dunlop

Policeman

Mollie Maureen

Old Lady in the Strand

Anne Blake

Flag Lady

Ernest Steward

Director of Photography

Harry Benn

Associate Producer

Lesley De Pettit

Casting

Don Sharp

Director

James Mitchell

Author

Teddy Darvas

Editor

Wilfred Josephs

Original Music Composer

John Clark

Art Direction

Derek Horne

Producer