Doctor Who: The Power of Kroll (1979) — Cast
Cast
| Tom Baker | Doctor |
| Mary Tamm | Anunciadora Villa Romana |
| John Abineri | Ranquin |
| John Leeson | Dugeen |
| John Leeson | Dugeen |
| Philip Madoc | Fenner |
| John Abineri | Ranquin |
| Mary Tamm | Anunciadora Villa Romana |
| Neil McCarthy | Thawn |
| Carl Rigg | Varlik |
| Neil McCarthy | Thawn |
| Grahame Mallard | Harg |
| Tom Baker | Doctor |
| Frank Jarvis | Skart |
| Glyn Owen | Batukeshwar Dutt |
| Grahame Mallard | Harg |
| Carl Rigg | Varlik |
| Philip Madoc | Fenner |
| Glyn Owen | Batukeshwar Dutt |
| Frank Jarvis | Skart |
Crew
| Dudley Simpson | Original Music Composer |
| Dudley Simpson | Original Music Composer |
| Delia Derbyshire | Theme Song Performance |
| Delia Derbyshire | Theme Song Performance |
| Anthony Read | Script Editor |
| Anthony Read | Script Editor |
| Graham Williams | Producer |
| John Nathan-Turner | Producer |
| Graham Williams | Producer |
| Norman Stewart | Director |
| John Nathan-Turner | Producer |
| Norman Stewart | Director |
| Robert Holmes | Writer |
| Robert Holmes | Writer |