Diretor/a
Campbell Logan
DIRETOR/A
Elenco (na ordem dos créditos)
Andrew Osborn
Detective-Inspector Bill Burroughs
Lana Morris
Sylvia Craig
Daphne Anderson
Kitty Cusack
Patrick Troughton
Bob Dyson
Robert Urquhart
Dr. Gordon
Ewan MacDuff
Chief Constable Gower
Harold Scott
Professor Dodds
Charles Morgan
Commander Yates
Bryan Coleman
Captain Digby
Peter Copley
Laurence Odell
Richard Pearson
Jim Larkins
Douglas Blackwell
Detective-Sergeant Lovell
Brian Willett
Constable Wareham
David Garth
Detective-Sergeant Cole
Beckett Bould
Harry Putman
Martin Boddey
Major Fulford
Thomas Heathcote
Charlie Morris
Edward Jewesbury
Edward Evans
Superintendent Brown
Joan Haythorne
Mrs. Housman
Colin Douglas
Wallenberg
Janette Rowsell
Miss Le Roy
Edwin Brown
Ted