Sophie Aldred is an English actress and television presenter. She portrayed the Doctor's companion Ace in the television series Doctor Who during the late 1980s. Her tenure on the show spanned the last nine stories of the programme's original run, which ended in 1989.
Both before and since Doctor Who, Aldred has had a varied and busy television career, particularly in children's programming, where she has presented educational programmes such as Corners, Melvin and Maureen's Music-a-grams (which ran from 1992 to '96), Tiny and Crew (which she presented, 1995–99), the BBC series Words and Pictures (since 1992), and also CITV paranormal show It's a Mystery in 1996. She also played the character Minnie The Mini Magician from Series 8 onwards on CITV's ZZZap! between 1999 and 2001. Aldred has presented and sung in several BBC Schools Radio series, including Singing Together, Music Workshop, Time and Tune and Music Box. She has also performed on radio and in the theatre. She has also reprised her role as Ace in the 1993 30th anniversary charity special Dimensions in Time and the Doctor Who audio plays produced by Big Finish Productions.
Throughout the 2000s she has worked extensively as a voice-over artist for television advertisements, and has also provided voices for animated series such as Bob the Builder and since 2012 Aldred has provided the voice of Tom in Tree Fu Tom, a BBC children's series. The series' other main voice actor, David Tennant (who voices Twigs), previously played the Tenth incarnation of the Doctor in Doctor Who.