You're Only Young Twice!

Duncan Macrae Professor "Haywire" Hayman Joseph Tomelty Connell O'Grady aka Dan McEntee Patrick Barr Sir Archibald Asher Charles Hawtrey Adolphus Hayman Diane Hart Ada Shore Robert Urquhart Sheltie 👤 Edward Lexy Lord Carshennie 👤 Jacqueline Mackenzie Nellie Kelly