Gabriel Woolf (born 2 October 1932) played Sutekh in the Doctor Who television story Pyramids of Mars, and also provided the uncredited voice of Horus in the same story. (DWM 300) He later voiced the Beast in the Doctor Who story The Impossible Planet / The Satan Pit.
Woolf additionally provided the voice of Sutekh in a comedic fashion for the Oh Mummy! special minisode on the Pyramids of Mars DVD, before returning to officially reprise his role for the audio series The New Adventures of Bernice Summerfield by Big Finish Productions, both in the webcast Transmission from Mars and the audio anthology The Triumph of Sutekh. He rejoined Tom Baker's Fourth Doctor in Kill the Doctor! and The Age of Sutekh. He also reprised the role in Magic Bullet Productions' Faction Paradox audio series.