The Doctor and Ace arrive at a secret military base during World War II, where an ancient evil from the Doctor's past prepares to make his final deadly move. As hideous vampires rise from the sea and Russian commandoes begin to close in, they are confronted not only with a mystery from the distant past but also a terrifying vision of mankind's future...
| Writing | Ian Briggs | Writer |
| Production | John Nathan-Turner | Producer |
| Directing | Nicholas Mallett | Director |
| Costume & Make-Up | Ken Trew | Costume Design |
| Art | David Laskey | Production Design |
| Costume & Make-Up | Denise Baron | Makeup Artist |
| Crew | Tip Tipping | Stunt Coordinator |
| Writing | Andrew Cartmel | Script Editor |
| Crew | Dick Mills | Special Sound Effects |
| Editing | Hugh Parson | Editor |
| Art | Oliver Elmes | Graphic Designer |
| Sound | Mark Ayres | Original Music Composer |
| Visual Effects | Dave Chapman | Visual Effects |
| Production | Ian Fraser | Production Manager |
| Camera | Paul Harding | Camera Operator |
| Production | Winifred Hopkins | Production Assistant |
| Lighting | Ian Dow | Lighting Director |
| Camera | Alan Jessop | Camera Operator |
| Visual Effects | Graham Brown | Visual Effects Designer |