Thursday, April 25 marks the beginning of Jennifer Bassey's (ex-Marian Colby, "All My Children") multi-episode arc on ABC's "Grey's Anatomy." Word of Bassey's appearance on the popular primetime series first came to light on Sunday, March 17, when the actress tweeted, "Got a two episode role on Grey's Anatomy. Wonderful part and i'm very excited. Start mon. the 18th. what a great show. xx :)" She later revealed on Wednesday, March 27 that her appearance on the show had been bumped to three episodes. "Hey just got a 3rd episode on Grey's Anatomy. Yipeeee!!! What a great group of people. Kevin McKidd is directing and acting. Hes fab. :)"