David Hedison
(Edmund Hardy)
Isabel Dean
(Mrs. Farren)
Mark Dignam
(Farren)
Jennifer Hilary
(Betty Hardy)
Lockwood West
(Inspector Dowson)
Malcolm Hayes
(Williams)
Nina Francis
(Annette)
Michael Bangerter
(Sergeant Foulks)
Michael Nightingale
(The Coroner)
Kenneth Gardnier
(A.A. Patrolman)
Clifford Rose
(Tony Mordaunt)