Barry Angel
as Martin Smith
Jack Galloway
as Andy Rutherford
Peter Cellier
as Sir Hugh Francis
Philip Locke
as John Doll
Debbie Farrington
as Sue Kleiner
Geoffrey Collins
as Peter Farley
John Malcolm
as Edward Froelich
Gorden Kaye
as Frank Broadhurst
Ivor Roberts
as Sir Roderick
Ray Mann
as Mr. Smith
Sonia Fraser
as Mrs. Smith
Steven Mann
as Barry Smith
Paul Gale
as Ted