[2] Before joining the cast of Holby City, she had played Judi Jeffreys in the children's television series Grange Hill from 1997 to 1999.

In 1996, she starred in the feature film Intimate Relations alongside Julie Walters, where she played a girl with a crush on her mother's adulterous lover.

"[4] Sandy's farewell episode, "A Friend in Need", revealed that the character had won £150,000 in the lottery, and left for Australia to follow former love interest Danny Shaughnessy.

"[5] In the early hours of 15 June 2003, Sadler fell 40 feet (12 metres) from the balcony of the Holland Park flat of her boyfriend and Holby City colleague George Calil.

Her family decided to take her off life support on 18 June 2003 and she died at Charing Cross Hospital a day later.