All Cast

Jon Pertwee
Dr. Who

Caroline John
Liz Shaw / Section Leader Elizabeth Shaw

Nicholas Courtney
Brigadier Lethbridge-Stewart / Brigade Leader Lethbridge-Stewart

John Levene
Sergeant Benton / Platoon Under Leader Benton

Olaf Pooley
Professor Stahlman / Director Stahlman

Christopher Benjamin
Sir Keith Gold
Sheila Dunn
Petra Williams / Dr Petra Williams

Derek Newark
Greg Sutton

David Simeon
Private Latimer

Derek Ware
Private Wyatt
Walter Randall
Harry Slocum
Ian Fairbairn
Bromley

Roy Scammell
RSF Sentry
Keith James
Patterson
Peter Thompson
Primord
Philip Ryan
Primord
Walter Henry
Primord

Pat Gorman
Primord
Dave Carter
Primord

Barry Letts
Loudspeaker Voice

Derek Martin
UNIT Soldier

Terry Walsh
UNIT Soldier
Ian Elliott
UNIT Soldier
