Doctor Who: The Time Monster
Overview
The Master, in the guise of Professor Thascalos, has constructed at the Newton Institute in Wootton a device known as TOMTIT - Transmission Of Matter Through Interstitial Time - to gain control over Kronos, a creature from outside time. The creature is summoned but proves to be uncontrollable.
Cast

Jon Pertwee
The Doctor

Katy Manning
Jo Grant

Roger Delgado
The Master

Nicholas Courtney
Brigadier Lethbridge-Stewart

Richard Franklin
Captain Mike Yates

John Levene
Sergeant Benton

Ingrid Pitt
Galleia
Wanda Moore
Dr. Ruth Ingram
Ian Collier
Stuart Hyde
John Wyse
Dr. Percival
Neville Barber
Dr. Cook

Donald Eccles
Krasis