Let the People Sing

Gus McNaughton as Ketley Raymond Lovell Mignon O'Doherty as Dr. Buckley G.H. Mulcaster as Inspector A. Bromley Davenport as Agent Edward Rigby as Timmy Tiverton Oliver Wakefield as Sir Reginald Foxfield Maire O'Neill as Mrs. Mitterley Diana Beaumont as Secretary Ian Fleming as United Plastics Barrister Morris Harvey as Jim Flagg Syd Crossley as Uncle Alfred Michael Martin Harvey as Handover Joss Ambler Peter Ustinov as Dr. Bentika Frank Atkinson Fred Emney as Sir George Denberry-Baxter Patricia Roc as Hope Ollerton Charles Hawtrey as Young Orton Aubrey Mallalieu as Commander Spofforth Olive Sloane as Daisy Barley Peter Gawthorne as Major Shiptonthorpe Eliot Makeham as Town Clerk George Merritt as Police Sergeant Charles Victor Alastair Sim as Professor Ernst Kronak