Joan Rice
— Pat Lewis
Tim Turner
— Frank Mason
Sandra Dorne
— Blonde
Charles Victor
— Sergeant
Cecil Brock
— Criminal
John Le Mesurier
— Inspector
Christopher Lee
— Johnny, a constable
Nora Gordon
— Mrs. Lewis
Rex III
— Police Dog
James Gilbert
— Ken Lade
Garard Green
— Police Seargant at Break-in
Norman Mitchell
— Vet
Gay Cameron
Phyllis Morris
John Warren
— Clerk of Works
Ian Fleming
— Gentleman Walking His Dog (uncredited)
Arthur Howell
— Police Dispatcher (uncredited)
Colin McKenzie
— Police Dispatcher (uncredited)
Jim Morris
— Police Dispatcher (uncredited)
Fred Nicholas
— Police Dispatcher (uncredited)