Michael Crawford

as Constable Gough

Felicity Gibson

as Priscilla Smith

Gwen Ffrangcon Davies

as Miss Mybus

Reginald Marsh

as Inspector Pennycuick

William Lucas

as Sergeant Gribble

Pauline Delaney

as Mrs. Crosscapel (as Pauline Delany)

John Normington

as Mr. Cramber