Lalla Ward
Romana
Matthew Waterhouse
Adric
John Leeson
K9 (voice)
George Baker
Login
Leonard Maguire
Draith
James Bree
Nefred
Alan Rowe
GarifTony Calvin
DexeterRichard Willis
VarshBernard Padden
Tylos
On the planet Alzarius in the alternate universe of E-Space, the Doctor, Romana and K9 find survivors of a crashed starliner, strange creatures lurking in the marshes and a genetic riddle which stretches back centuries.
