Will Lamb

Will Hay

Hilary Tisdaile

Claude Hulbert

Dr. Winter

Felix Aylmer

na

Peter Ustinov

Percy Thorne

Charles Hawtrey

Mr. Humphries

Raymond Huntley

Mrs. Wigmore

Elliott Mason

Mrs. Wigmore

Elliot Mason

Jamie

John Laurie

Procurator Fiscal

Hay Petrie

Stock

Manning Whiley

Amberley

Roddy Hughes

Sunshine

Derek Blomfield

Ritzy

Clive Baxter

Sergt. Macfarlan

Brefni O'Rorke

Dr. Ritchie

David Keir

Sir Ambrose

Charles Mortimer

Extra

Derek Aylward

Pupil at Rear of Class

Gerald Campion

Clerk of Court

Laurence Hanray

Bus Driver

Bryan Herbert

Man in Courtroom (uncredited)

Jack May