After training, Cumming appeared on stage, primarily at the
Citizens Theatre in Glasgow, as well as appearing on radio and television. and
The Omega Factor, a short-lived series which aired in 1979. Cumming was booked to direct
The Ultimate Evil during
Doctor Who's
23rd season in 1986, but the production was cancelled when the show was put on
hiatus. While she did not direct additional episodes on
Doctor Who, she maintained a working relationship with the show's producer,
John Nathan-Turner, and collaborated with him at
Teynham Productions, a company focussing mainly on pantomime productions. In 1988, Cumming made a cameo appearance as a tourist at Windsor Castle in
Silver Nemesis for Doctor Who's
25th season. She also oversaw the re-edit of her 1983 serial,
Enlightenment, for its re-release as part of the Black Guardian Trilogy DVD box set in 2009 as well as the re-edit of her 1984 serial,
Planet of Fire for its re-release as part of the Kamelion Tales DVD box set in 2010. ==Personal life==