 | |
| Johnson | |
| Alias(es): | Jeff Johnson, Private Johnson |
| Species: | Human |
| Origin: | Earth |
| First Appearance: | The Ambassadors of Death |
| Portrayed by: | Geoffrey Beavers |
Johnson was a UNIT operative and worked with Sergeant Benton during the takeover of General Carrington. He received the message from the Doctor while he was trapped inside Reegan's laboratory. (The Ambassadors of Death)