James Laurenson
— Alain Poitaud
James Maxwell
— Roland Blanchet
Ann Curthoys
— Jacqueline Poitaud
Kenneth Griffith
— Julien Bour
George Murcell
— Maître Rabut
André Morell
— André Fage
Philip Madoc
— Supt. Roumagne
Peter Sallis
— Benitet
Joyce Heron
— Mme. Poitaud
Jon Laurimore
— Boris Maleski
Mary Quinn
— Mme. Martin
Diane Keen
— Mina
Anita Finch
— Secretary
Nancy Nevinson
— Mme. Jeanne
Heather Barbour
— Bessie
John Scholes
— Insp. Noble
Norman Henry
— Oscar Poitaud
Nina Francis
— Adrienne
Hal Jeayes
— Usher
Johnny Shannon
— Desk Sergeant
Brenda Cavendish
— Receptionist
Jeffrey Segal
— Reporter
Delia Lindsay
— Reporter
John Hartley
— Reporter
Anthony Garner
— Reporter
Mark Allington
— Barman
Dominic Gilbert
— Patrick Poitaud