While I don't have access to a complete filmography for every actor, I can tell you that Susannah Foster is known for her roles in:
* "The Bill" (TV series): She appeared in multiple episodes of this long-running British police drama.
* "Doctors" (TV series): She also appeared in several episodes of this popular medical drama.
* "EastEnders" (TV series): Susannah Foster has had a recurring role in this soap opera.
* "Casualty" (TV series): Another long-running medical drama that she has been part of.
She has also been involved in a number of theatrical productions, including roles in the West End.
Please note: There is no actress listed in IMDb with the name "Susan Foster". It is possible that there may be someone with that name who has worked in film or television, but their credits may be very limited.