John Mills
Superintendent Graham
Megs Jenkins
Mrs. Phillips
George Selway
Det. Sgt. Harvey
George Pastell
Poloma Captain
Paul Stassino
Poloma First Officer
Marianne Stone
Mrs. Williams
Kenneth Griffith
Mr. Seymour
Christopher Rhodes
Inspector Bridges
Edward Cast
Det. Con. Thomas
David Davies
Desk Sergeant
Michael Anderson Jr.
Boy with Cap Gun (uncredited)
Harry Baird
Bridegroom (uncredited)
Tom Bowman
Seaman (uncredited)
Jim Brady
Pub Customer (uncredited)
Peter Halliday
Seaman (uncredited)
Hubert Hill
Policeman (uncredited)
Glyn Houston
Detective at Police Station (uncredited)
John Howard
Detective (uncredited)
Jack May
Mr Willis (uncredited)
Harry Phipps
Man in Bar (uncredited)
Stan Simmons
Referee (uncredited)
John Wilder
Police Line-Up (uncredited)