The Third Alibi

Laurence Payne

as

Norman Martell

Patricia Daint...

as

Helen Martell

Jane Griffiths

as

Peggy Hill

Edward Underdo...

as

Dr. Peter Murd...

John Arnatt

as

Supt. Ross

Humphrey Lesto...

as

Simmons, the P...

Lucy Griffiths

as

Miss Potter

Olive Milbourne

as

Mrs. Booth

Arthur Hewlett

as

Marshall

Annette Kerr

as

Cinema cashier

Cleo Laine

as

Cleo

Dudley Moore

as

Rehearsal Pian...

Sylvia Davis

as

Cinema sales g...

Max Faulkner

as

Det. Sgt. Fred...

Garard Green

as

Patrol car pol...

Arthur Howell

as

P.C. Williams ...

Richard Neller

as

Sleeping Man i...

Pat Ryan

as

Detective Exam...

Stuart Saunders

as

Cinema manager...

Arthur Skinner

as

Det. Sgt. Cart...

John Tatham

as

Detective / Fi...