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