- You may be looking for Ian Fairburn.
Fairbairn, besides his appearances in Doctor Who, is most famous for playing Alpha 4 and Dr Frazer on television series Timeslip. His other television appearances included roles on Emergency-Ward 10, Sergeant Cork, Softly, Softly, Z-Cars, Paul Temple, Van der Valk, Churchill's People, Dial M for Murder, The Onedin Line, The Cedar Tree and Last of the Summer Wine.
- The Macra Terror (as Questa)
- The Invasion (as Mark Gregory)
- Inferno (as John Bromley) (also provides the uncredited voice of the Penetration Announcer) (DWM 305)
- The Seeds of Doom (as Doctor Chester)
- Internet Movie Database at the