John Le Mesurier
Ginter
Ian Fleming
Insp. McKelvin
Peter Madden
Sgt. Bex
Maureen Riscoe
Julie McKelvin
Charles Clapham
Col. Peabody
John Barry
Geoffrey Dent
Ivan Craig
Tony
Tony Doonan
Suspect (uncredited)
Blanche Fothergill
(uncredited)
Sonya O'Shea
(uncredited)