Robert Hutton
— Calvin Adams
Reginald Marsh
— Inspector Webb
Ursula Howells
— Mme. Perrault
Alex Scott
— Henri Perrault
Eric Pohlmann
— Inspector Bressin
Patricia Hayes
— Plane Passenger
Warren Mitchell
— O'Leary
Aleta Morrison
— Speciality Dancer
Susan Denny
— Carole Linden
Robert Ayres
— Angelo Di Marco
Larry Cross
— Journalist