![]() |
William Hartnell as The Doctor |
![]() |
Peter Purves as Steven Taylor |
![]() |
Jackie Lane as Dodo Chaplet |
![]() |
Eric Elliott as Commander |
![]() |
Inigo Jackson as Zentos |
![]() |
Roy Spencer as Manyak |
![]() |
Michael Sheard as Rhos |
![]() |
Kate Newman as Mellium |
![]() |
Ian Frost as Baccu |
![]() |
Stephanie Heesom as Guardian |
![]() |
Paul Greenhalgh as Guardian |
![]() |
Edmund Coulter as Monoid |
![]() |
Frank George as Monoid |
![]() |
Ralph Carrigan as Monoid |
![]() |
John Caesar as Monoid |
![]() |
Roy Skelton as Monoid Voice |
![]() |
John Halstead as Monoid Voice |
![]() |
Terence Woodfeld as Maharis |
![]() |
Brian Wright as Dassuk |
![]() |
Eileen Helsby as Venussa |
![]() |
Terence Bayler as Yendom |
![]() |
Richard Beale as Refusian Voice |
| Writing | Paul Erickson | Writer |
| Directing | Michael Imison | Director |
| Writing | Lesley Scott | Writer |
| Writing | Gerry Davis | Script Editor |
| Sound | Tristram Cary | Original Music Composer |
| Sound | Delia Derbyshire | Theme Song Performance |
| Production | David Maloney | Production Assistant |
| Crew | Brian Hodgson | Special Sound Effects |
| Costume & Make-Up | Daphne Dare | Costume Design |
| Art | Barry Newbery | Production Design |
| Camera | Tony Leggo | Camera Operator |
| Editing | Noel Chanan | Editor |
| Costume & Make-Up | Sonia Markham | Makeup Artist |
| Lighting | Howard King | Lighting Director |
| Sound | Ray Angel | Sound |
| Production | John Wiles | Producer |