Actress Shannen Doherty has sustained she will appear in an additional 2 sequences of the 'Beverly Hills 90210' spin-off series, in spite of declaring her leaving. Doherty acts as the adult embodiment of Brenda Walsh in 90210, the role she acted on the original adolescent television series till 1994. The actress at first signed-on to appear entirely in 4 installments of the program, which established its first appearance in September. Only a representative for the television series has substantiated Doherty's come back for 2 extra installments of the series, which are ready to air on November 18. Last month, Doherty stated to reporters: "I contracted for 4 installments, I believe in that respect such a thing as outstaying your welcome, and I do not desire to do that."