"A batty Scottish professor attempts to prove the existence of the Loch Ness Monster, but everyone thinks he's crazy. Meanwhile, a foolish young reporter attempts to get a scoop on the story."
Seymour Hicks
as Professor Heggie
Nancy O'Neil
as Angela Heggie
Frederick Peisley
as Jimmy Andrews
Gibson Gowland
as Angus
Eric Hales
as Jack Campbell
Ben Field
as Piermaster
Hubert Harben
as Prof. Blenkinsop Fothergill
Rosamund John
as Maggie Fraser
Robb Wilton
as Reporter
Fewlass Llewellyn
as Scientist at Meeting
Stafford Hilliard
as Macdonald (Uncredited)
Cyril McLaglen
as Mate (Uncredited)
Clive Morton
as Reporter (Uncredited)
Charles Bennett
Writer
Billie Bristow
Bray Wyndham
Producer
Peter Mendoza
Music
David Lean
Editor
Milton Rosmer
Director
James Wilson
Director of Photography