"Ludo French stars in a sci-fi series, but working with the arrogant, conceited, always dissatisfied man pushes the production to its limits."
Alfred Marks
as Captain Katt/Ludovic French/Inspector Brough
Derek Royle
as The Professor/Frank Lucas
Janet Behan
as Lieutenant Rook/Louise Jobling
Simon Rouse
as Desmond Gibb
Sarah James
as Pat
Clare Clifford
as Margot
Howard Samuels
as Toby
John Elmes
as Dave
Patricia Maynard
as Madeleine Forsyth
Ian Fairbairn
as Ted
John Owens
as Joe
Ros Simmons
as Mugwump/Sylvia Pym
David Hatton
as Jack Judge
Peter Grimwade
Director
Writer
John Dale
Producer
John Newton Clarke
Production Designer