The Silent Passenger

John Loder

John Ryder

Lilian Oldland

Mollie Ryder

Donald Wolfit

Henry Camberley

Austin Trevor

Inspector Parker

Peter Haddon

Lord Peter Wimsey

Leslie Perrins

Maurice Windermere

Aubrey Mather

Bunter

Robb Wilton

Porter

Ralph Truman

Saunders

Ann Codrington

Desk Clerk

George De Warfaz

Chief of Foreign Police

Annie Esmond

Old Lady Passenger

Dorice Fordred

Camberly's Accomplice

Vincent Holman

Works Manager

Gordon McLeod

Commissioner

Frederick Burtwell

Percy Rhodes

Howard Douglas

Ticket Inspector (uncredited)