Nova Pilbeam as Erica Burgoyne

Derrick De Marney as Robert Tisdall

Percy Marmont as Col. Burgoyne

Edward Rigby as Old Will

Mary Clare as Erica's Aunt Margaret

John Longden as Det. Insp. Kent

George Curzon as Guy

Basil Radford as Erica's Uncle Basil

Pamela Carme as Christine Clay

George Merritt as Det. Sgt. Miller

J.H. Roberts as Solicitor Henry Briggs

Jerry Verno as Lorry Driver

H.F. Maltby as Police Sergeant

John Miller as Police Constable

Pat Fitzpatrick as Harold a Little Boy at Birthday Party (uncredited)

Alfred Hitchcock as Photographer Outside Courthouse (uncredited)

Anna Konstam as Elsie a Bather at Beach (uncredited)

Bill Shine as Manager of Tom's Hat Cafe (uncredited)

Peggy Simpson as Alice a Bather at Beach (uncredited)

Torin Thatcher as Nobby's Lodging House Caretaker (uncredited)