Casting
Alastair Sim
Professor Ernst Kronak
Fred Emney
Sir George Denberry-Baxter
Edward Rigby
Timmy Tiverton
Oliver Wakefield
Sir Reginald Foxfield
Patricia Roc
Hope Ollerton
Annie Esmond
Lady Foxfield
Marian Spencer
Lady Shepshod
Olive Sloane
Daisy Barley
Maire O'Neill
Mrs. Mitterley
Gus McNaughton
Ketley
Charles Hawtrey
Young Orton
Peter Gawthorne
Major Shiptonthorpe