Ηθοποιοί επεισοδίου
Peter McCauleyProfessor George Challenger
Rachel BlakelyMarguerite Krux
William SnowLord John Roxton
Michael SinelnikoffProfessor Arthur Summerlee
Jennifer O'DellVeronica Layton
David OrthNed Malone
Ron HaddrickBergin
★
Carl SnellOsric
Jeremy CallaghanOsric (Man)
★
Nadja KostichUrsula
★
Peter KnapmanHector
★
John WalkinBruno