Even though there were one and a half films before it.
She is also a regular stage actress.
These included The Land That Time Forgot 1975 ; sex-comedy No Sex Please, We're British 1973 ; Under Milk Wood 1972 ; Australian-made horror film Patrick 1978 ; and Soldier of Orange 1979.
She had married her third husband, Yorkshire-born actor Duncan Preston, in 1986.
The original cast members were in it but Prue had already been killed off.
When Brian makes an inquiry about examining Patrick, Cassidy sacks Kathy.