Let the People Sing

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