| Cast | Jon Pertwee (as The Doctor), Caroline John (as Elizabeth Shaw ), Nicholas Courtney (as Brigadier Lethbridge-Stewart), Fulton Mackay (as Dr Quinn), Peter Miles (as Dr Lawrence), Ian Cunningham (as Dr Meredith), Norman Jones (as Major Baker), Thomasine Heiner (as Miss Dawson), Ian Talbot (as Travis), Geoffrey Palmer (as Masters), John Newman (as Spencer), Bill Matthews (as Davis), Roy Branigan (as Roberts), Gordon Richardson (as Squire), Nancie Jackson (as Doris Squire), Brendan Barry (as Hospital Doctor), Paul Darrow (as Captain Hawkins), Richard Steele (as Sergeant Hart), Alan Mason (as Corporal Nutting), Harry Swift (as Private Robins), Derek Pollitt (as Private Wright), Dave Carter (as Old Silurian), Nigel Johns (as Young Silurian), Pat Gorman (as Silurian Scientist), Dave Carter (as Silurian), Paul Barton (as Silurian), Simon Cain (as Silurian), John Churchill (2) (as Silurian) |
