Ivan Desny
— Charles Valentine
Nadja Regin
— Nadia Leiven
Michael Goodliffe
— Det. Supt. Hallett
Brian Bedford
— Jimmy Gale
Joyce Blair
— Carol Clyde
Leonard Sachs
— Weiland
Maxwell Shaw
— Luigi Pirani
Harold Goodwin
— Smith
John Welsh
— Assistant Commissioner
Barrie Ingham
— House Agent
Derrick Sherwin
— Det. Sgt. Waters
Malou Pantera
— Lotte
Andre Mikhelson
— Head Waiter
Josephine Gordon
— Mrs. Pirani
Norman Florence
— Waiter