Nova Pilbeam

Erica Burgoyne

Derrick De Marney

Robert Tisdall

Percy Marmont

Col. Burgoyne

Edward Rigby

Old Will

Mary Clare

Erica's Aunt Margaret

John Longden

Det. Insp. Kent

George Curzon

Guy

Basil Radford

Erica's Uncle Basil

Pamela Carme

Christine Clay

George Merritt

Det. Sgt. Miller

J.H. Roberts

Solicitor Henry Briggs

Jerry Verno

Lorry Driver

H.F. Maltby

Police Sergeant

John Miller

Police Constable

Pat Fitzpatrick

Harold a Little Boy at Birthday Party (uncredited)