You're Only Young Twice!
Cast
Duncan Macrae
Professor "Haywire" Hayman
Charles Hawtrey
Adolphus Hayman
Diane Hart
Ada Shore
Robert Urquhart
Sheltie
Russell Waters
Professor Baikie
Archie Duncan
Police Constable
Reginald Beckwith
Radio reporter
Roddy McMillan
Milligan
Alastair Hunter
Desk Sergeant
Andrew Downie
Student
Joseph Tomelty
Connell O'Grady aka Dan McEntee
Patrick Barr
Sir Archibald Asher
Ronnie Corbett
Maither