"Story of a group of children's successful efforts to bring to book a gang of oil men intent on stealing valuable invention."
Frazer Hines
as Kim
Meredith Edwards
as Police Constable Durrant
Peter Copley
as Mr. Ritter
Dorothy Gordon
as Miss Clark
John Horsley
as Fireman
Christopher Warbey
as Freddie
Ali Allen
as Ali
Katherine Kath
as Anita Fox
Paul Daneman
as Professor Picton
Mandy Harper
as Pat
David Bird
as Mr. Cook
Ian Whittaker
as Rupert
Lee Fox
as Police Sergeant
Richard Molinas
as Signor Caspinelli
Arthur Mullard
as Workman
James Hill
Writer
John Kennett
Novel
Hindle Edgar
Producer
Geoffrey Wright
Original Music Composer
James Allen
Director of Photography
Vivienne Collins
Editor
Scott MacGregor
Art Direction
Johnny Goodman
Production Manager
Zachary Booth
Assistant Director
Aivar Kaulins
First Assistant Editor
Edward Williams
Additional Music
Director