Maureen Riscoe

Julie McKelvin

Charles Clapham

Col. Peabody

John Le Mesurier

Ginter

John Barry

Geoffrey Dent

Ian Fleming

Insp. McKelvin

Ivan Craig

Tony

Peter Madden

Sgt. Bex

Tony Doonan

Suspect (uncredited)

Blanche Fothergill

(uncredited)

Sonya O'Shea

(uncredited)