Discover
Intelligence agents around the world are under attack from alien forces. MI6 turns to the only people who can help: The Doctor and friends. As they travel the globe for answers, attacks come from all sides.
Original Release
12/28/1974
Cast
| Name | Character |
|---|
| Tom Baker | The Doctor / Doctor Who |
| Elisabeth Sladen | Sarah Jane Smith |
| Ian Marter | Harry Sullivan |
| Nicholas Courtney | Brigadier Lethbridge Stewart |
| John Levene | Sergeant Benton |
| Patricia Maynard | Miss Winters |
| Michael Kilgarriff | Robot |
| Edward Burnham | Professor Kettlewell |
| Alec Linstead | Jellicoe |
| John M. East | Robot |
Directors
Writers
Creators
Sydney Newman, Donald B. Wilson
Cast
| Name | Character |
|---|
| Tom Baker | The Doctor / Doctor Who |
| Elisabeth Sladen | Sarah Jane Smith |
| Ian Marter | Harry Sullivan |
| Nicholas Courtney | Brigadier Lethbridge Stewart |
| John Levene | Sergeant Benton |
| Patricia Maynard | Miss Winters |
| Michael Kilgarriff | Robot |
| Edward Burnham | Professor Kettlewell |
| Alec Linstead | Jellicoe |
| John M. East | Robot |
| Pat Gorman | Gate Guard |
| Penny Lambirth | Extra |
| John Scott Martin | Reading Guard |
| Jon Pertwee | The Doctor |
| Roger Squires | UNIT Soldier |
Producers
| Name | Role |
|---|
| Barry Letts | Producer |
