Peter O'Toole as Colonel Zeller

David Hemmings as Colonel Anthony Narriman

Donald Pleasence as Blair

Barry Morse as Dr. Jean Rousseau

August Schellenberg as Minh

Harvey Atkin as Anwar

George Touliatos as Barrientos

Alberta Watson as Donna

Chuck Shamata as Hillsman

Michael Ironside as Torturer

Peter Sturgess as Janitor

John Granik as Raymond Kasai

Marcella Saint-Amant as Mrs. Rousseau

Gary Reineke as Aramco

Eli Rill as Dominique

Dick Cavett as Dick Cavett

David Calderisi as Blair's Assistant

Doug Lennox as Stauffenberg

Robert Goodier as President

John Bayliss as Tank Commander

Warren Van Evera as Terrorist

Sandra Scott as Donna's Mother

Gino Marrocco as Donna's Father

Bridget McCann as Marie Narriman

Terry Doyle as Ambassador

Eugene Amodeo as Photographer

George R. Robertson as Colonel Lucas

Peter Jobin as Officer of Plane

Frank Praino as Deputy Minister

Richard Moffatt as Air Traffic Controller

Steve Pernie as Air Controller R.I.

Harvey Sokoloff as Radio Operator

Alan Rosenthal as Pilot

Jean Cavall as Barman

Géza Kovács as Blair Aide

Loris Biagini as Press Secretary

Jeannie Elias as Embassy Girl

Sandy Crawley as Tank Mechanic

Kathy May as Telephone Operator

Allan Aarons as Sergeant Major