Hillary Flammond Omar Sharif: Agente Cedric Peter Cushing: Sven Jorgensen MichaelGough: Dottor Flammond Christopher Villiers: Nigel Jeremy Kemp: Generale Streck
Christopher Lee: Frank Martin Max Adrian: Dott. Blake Ann Bell: Ann Rogers MichaelGough: Eric Landor Jennifer Jayne: Nicolle Neil McCallum: Jim Dawson Bernard