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