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)
Aubrey Mallalieu (Commander Spofforth)
G.H. Mulcaster (Inspector)
Wally Patch (Sam)

An out-of-work comedian persuades a drunken nobleman to join a protest against the closing of a village hall.