Calificación
Reparto

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

Eric Woodburn
The Bedellus

Molly Urquhart
Lady Duffy

Ronnie Corbett
Maither

Reginald Beckwith
Radio reporter

Russell Waters
Professor Baikie

Wendy Noel
Miss Mear

Roddy McMillan
Milligan

Alastair Hunter
Desk Sergeant