Doctor Who: The Invisible Enemy (1977)

Elenco

• 

  Tom Baker

  The Doctor

• 

  Louise Jameson

  Leela

• 

  John Leeson

  K-9 Mk. I (voice) / Nucleus (voice)

• 

  Michael Sheard

  Lowe

• 

  Brian Grellis

  Safran

• 

  Jay Neill

  Silvey

• 

  Edmund Pegge

  Meeker

• 

  Frederick Jaeger

  Professor Marius