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

George Merritt

Det. Sgt. Miller

J.H. Roberts

Solicitor Henry Briggs

Jerry Verno

Lorry Driver

Alfred Hitchcock

Photographer Outside Courthouse (uncredited)

Anna Konstam

Elsie a Bather at Beach (uncredited)

Bill Shine

Manager of Tom's Hat Cafe (uncredited)

Peggy Simpson

Alice a Bather at Beach (uncredited)

Torin Thatcher

Nobby's Lodging House Caretaker (uncredited)