Robert Donat Richard Hannay Madeleine Carroll Pamela Lucie Mannheim Annabella Smith Godfrey Tearle Professor Jordan Peggy Ashcroft The Crofter's Wife Margaret John Laurie John the Crofter Helen Haye Louisa Jordan Frank Cellier Sheriff Watson Wylie Watson Mr. Memory 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) Bernard Knowles Director Alfred Hitchcock Director Pen Tennyson Director