She is most famous for playing Ace, the final companion of the Doctor in the original run of the long running science fiction series Doctor Who (1963).
Russell T. Davies considered bringing back Sophie Aldred as Ace in The Sarah Jane Adventures (2007) (TV Series). But, the series was canceled when it's star Elisabeth Sladen died.
She has two children: Adam John Henderson, born in 2000 and William Frederik Henderson in 2003.
Her son Adam Henderson played live action Tom in the BBC computer animated kids show Tree Fu Tom (2012) (TV Series) which Sophie provided the voice of Tom.
Her character on Doctor Who, Ace, was supposed to be 16 years old teen, whereas she herself was actually 25.
Like her predecessor Bonnie Langford, Sophie Aldred appeared in the long running BBC soap opera EastEnders (1985) (TV Series) which she played a character called Suzie in two episodes in 1993.