Patrick Allen
Detective Pearson
George Leigh
Detective Williams
George Alderson
First Detective

Robin Hughes
Police Sergeant O'Brien

Jack Cunningham
Bobby (uncredited)

Guy Doleman
Detective (uncredited)

Bess Flowers
Woman Exiting Ship (uncredited)
Sam Harris
Man in Phone Booth (uncredited)

Harold Miller
Men's Club Party Member (uncredited)

Martin Milner
Policeman Outside Wendice Flat (uncredited)