[1] Slater started her acting career in 1990 with an appearance in the thriller The Laughter of God (called Married to Murder in the USA) which starred Peter Firth and Amanda Donohoe.
In 1992 she also appeared in the TV film An Ungentlemanly Act, which starred Ian Richardson and Rosemary Leach.
[2] Other TV appearances include roles in The Children of the New Forest, the series Is Harry on the Boat?
(2002) and the series Helen West (2002), but she is probably best known for playing Martha Cratchit in the 1999 version of A Christmas Carol, in which she appeared with Patrick Stewart, Joel Grey and Richard E. Grant.
More recently, Slater appeared in ITV's series Heartbeat (2006), and as Laura Goggin in an episode of Doctors (2013).