Discover
1903. Who or what is sabotaging Nikola Tesla's generator plant at Niagara Falls? And has this maverick inventor really received a message from Mars?
Original Release
01/18/1975
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 |
| Ray Knight | Soldier |
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 |
| Ray Knight | Soldier |
| Roger Squires | UNIT Soldier |
Producers
| Name | Role |
|---|
| Barry Letts | Producer |
