Robert Donat
Richard Hannay
Lucie Mannheim
Annabella Smith
Godfrey Tearle
Professor Jordan
Peggy Ashcroft
The Crofter's Wife Margaret
John Laurie
John the Crofter
Frank Cellier
Sheriff Watson
Gus McNaughton
Salesman on the Flying Scotsman
Jerry Verno
Salesman on the Flying Scotsman
Peggy Simpson
The Jordans' Maid
Matthew Boulton
Fake Police Officer (uncredited)
Pat Hagate
M.C. Who Introduces Mr. Memory (uncredited)
Alfred Hitchcock
Man Walking Past Bus (uncredited)
Carleton Hobbs
Fake Police Officer (uncredited)
Elizabeth Inglis
Professor Jordan's Daughter Pat (uncredited)
Quinton McPherson
Clergyman on the Flying Scotsman (uncredited)
Frederick Piper
The Milkman (uncredited)
Hilda Trevelyan
The Innkeeper's Wife (uncredited)
Ivor Barnard
Political Meeting Chairman (uncredited)
Ex-Det. Sergt. Bishop
Police Sergeant (uncredited)
Wallace Bosco
Palladium Doorman (uncredited)
Vida Hope
Usherette (uncredited)
James Knight
Detective at London Palladium (uncredited)
Miles Malleson
Palladium Manager (uncredited)
John Rae
Audience Member at Political Meeting (uncredited)
John Turnbull
Scottish Police Inspector (uncredited)
S. J. Warmington
Scotland Yard Man (uncredited)
Charles Bennett
Second Passerby Near the Bus (uncredited)
Noel Birkin
Minor Role (uncredited)
Charles Hubert Renard
Second Violinist (uncredited)