Paula has previously appeared in shows such as Footballers' Wives, Holby City, Z Cars, Murder in Suburbia, children's classic The Queen's Nose and even Coronation Street.
Doctors will be filming its milestone episode on Thursday, April 20.
Two more guest stars along with storyline information for the episode are expected to be announced over the coming week.
Soap Scoop
Home and Away relationship twists - PicsWe take an in-pictures look at next week's Home and Away episodes.
Soaps Interviews
Emmerdale star talks John death aftermathWe chat to Emmerdale's Adam Thomas about John's death and more.
Soap Ratings
'Emmerdale' John, Moira plot takes 7.7mEmmerdale continues to perform strongly on Wednesday evening.
Reality Bites
'Big Fat Gypsy Weddings' returns: ReviewReality Bites's verdict on the return of Big Fat Gypsy Weddings.
