Ηθοποιοί επεισοδίου
Jon PertweeThe Doctor
Katy ManningJo Grant
Nicholas CourtneyThe Brigadier
Richard FranklinMike Yates
John LeveneSergeant Benton
Aubrey WoodsController
★
Anna BarryAnat
★
Jimmy WinstonShura
★
Scott FredericksBoaz
★
Wilfred CarterSir Reginald Styles
★
Jean MacFarlaneMiss Paget
★
Rick LesterOgron
Maurice BushOgron
★
Ricky NewbyDalek