Nicole Maurey
— Michele Cartier
Derek Bond
— John Marsden
Elwyn Brook-Jones
— Inspector Walker
Hugh Latimer
— Sgt. Adams
John Serret
— Inspector Lafarge
John Salew
— Sam Youles
Joan Carol
— Nurse
Nigel Fitzgerald
— Commissioner
Madoline Thomas
— Cook
Agatha Carroll
— Hester Marsden
Barbara Christie
— Miss Jones
Hugh Morton
— Doctor