Ηθοποιοί επεισοδίου
Jon PertweeThe Doctor
Katy ManningJo Grant
Roger DelgadoThe Master
Nicholas CourtneyThe Brigadier
Richard FranklinCaptain Mike Yates
John LeveneSgt. Benton
Michael WisherRex Farrel
Harry TowbMcDermott
★
David GarthTime Lord
★
Christopher BurgessProfessor Philips
★
Andrew StainesGoodge
★
John BaskcombRossini
★
Dave CarterMuseum Attendant