Target Luna The director for
Target Luna was
Adrian Brown. •
David Markham as Professor Norman Wedgwood •
John Cairney as Ian Murray •
Frank Finlay as Conway Henderson •
Michael Craze as Geoffrey Wedgwood •
Sylvia Davies as Valerie Wedgwood •
Michael Hammond as Jimmy Wedgwood •
William Ingram as Flt Lt Williams •
Deborah Stanford as Jean Cary •
Robert Stuart as Dr Stevens •
Phyllis Kenny as Pat Maxwell •
Michael Verney as Mr Field •
Annette Kerr as Mrs Wedgwood •
Mel Oxley as the Newscaster
Pathfinders in Space With a change of director,
Guy Verney, all the returning roles in
Pathfinders in Space were recast. Another key addition was that Jimmy's pet hamster, Hamlet, was also made into a guinea pig so it would be noticeable on screen. Despite the mass recast, many references were alluded of the previous serial, making this serial and the follow-ups canonical. •
Peter Williams as Professor Norman Wedgwood •
Harold Goldblatt as Dr O'Connell •
Gerald Flood as Conway Henderson •
Stewart Guidotti as Geoffrey Wedgwood • Gillian Ferguson as Valerie Wedgwood •
Richard Dean as Jimmy Wedgwood •
Pamela Barney as Professor Mary Meadows •
Irene Sutcliffe as Jean Cary •
Hugh Evans as Ian Murray •
Astor Sklair as John Field •
Michael Guest as Michael Kennedy
Pathfinders to Mars As with the previous serial, Guy Verney remained as director. The characters of Valarie and Jimmy Wedgwood were dropped from the sequel. Professor Wedgwood was retired in the first chapter leaving Conway Henderson as the lead character and Ian Murray as Buchan Island base controller. Margret Henderson, Conway's niece, was introduced, and Harcourt Brown - a scientific writer and extraterrestrial theorist. • Gerald Flood as Conway Henderson •
George Coulouris as Harcourt Brown (credited as 'The Imposter' in
The Imposter) • Stewart Guidotti as Geoffrey Wedgwood • Pamela Barney as Professor Mary Meadows •
Hester Cameron as Margret Henderson • Hugh Evans as Ian Murray • Astor Sklair as John Field •
Bernard Horsfall as Professor Hawkins • Peter Williams as Professor Norman Wedgwood (Episode 1
The Imposter only)
Pathfinders to Venus Guy Verney continued as director for episodes 1–5 and 7. Episodes 6 and 8 were directed by
Reginald Collin. The main cast themselves remained from the previous serial, with the additions of Captain Wilson and Kiki. • Gerald Flood as Conway Henderson • George Coulouris as Harcourt Brown • Stewart Guidotti as Geoffrey Wedgwood • Pamela Barney as Professor Mary Meadows • Hester Cameron as Margret Henderson •
Graydon Gould as Captain Wilson • Hugh Evans as Ian Murray • Astor Sklair as John Field •
Brigid Skemp as Kiki (credited as Venusian Child) •
Bob Bryan as The Venusian •
Robert James as Colonel Korolyov ==Production==