100 mins | Drama, Adventure, Science Fiction | Feb. 15, 1975
100 mins | Drama, Adventure, Science Fiction | Feb. 15, 1975
| IMDb rating | 8.1 |
| Producers | BBC |
| Original title | Doctor Who: The Ark in Space |
| Directors | Rodney Bennett |
| Writers | Robert Holmes |
as The Doctor
as Sarah Jane Smith
as Harry Sullivan
as Vira
as Noah
as Rogin
as Lycett
as Libri
as The Wirrn
as The Wirrn
as High Minister (voice)
as Voices on Nerva (voice)