Miller Shannen Doherty (season 1) as Ginny Green, a new student in school whom Corky has a crush on Adam Carl (season 1-2) as Matt Hardy, a friend of Becca's whom she briefly dates Viveca Lindfors (season 1) as Mrs. Doubcha, Becca's dance instructor Elyssa Davalos (season 2) as Doreen Gillespie, a waitress at the Glen Brook Grill Barney Martin (seasons 3-4) as Stan Baker, owner of the movie theater where Corky works Mitzi McCall (season 3) as Midge, a waitress at the Glen Brook Grill Dorothy Lyman (seasons 3-4) as Mary McKenna, Jesse's mother Steven Eckholdt (season 3) as Kenny Stollmark, Jr., son of the Stollmark Industries president. He becomes romantically involved with Paige and they nearly get married. Drew Snyder (seasons 3-4) as Bill Swanson, Amanda's father Charlotte Stewart (seasons 3-4) as Collette Swanson, Amanda's mother Ned Vaughn (season 4) as Eric, manager of the bookstore where Becca works. He has romantic feelings for Becca. Martin Milner (season 4) as Harris Cassidy, owner of the bookstore where Becca works Michael Goorjian (season 4) as Ray Nelson, a classmate of Becca's Christopher and Kevin Graves (season 4) as Nicholas Thatcher Richard Frank (season 4) as Chester, a patient that Jesse meets while being hospitalized for the effects of AIDS Overview The drama featured the Thatcher family, whose son, Charles "Corky" Thatcher (played by Chris Burke), has Down syndrome, while their daughter Becca (played by Kellie Martin) did well at school but was socially awkward. Tony Award-winning stage actress Patti LuPone played the mother Elizabeth ("Libby") and Bill Smitrovich played the father Drew. Eldest sister Paige Thatcher was played by Monique Lanier during the 1989–1990 seasons and by Tracey Needham during the 1990–1993 seasons as Lanier left the series to have a child. Becca's boyfriend and Corky's buddy, Tyler Benchfield, was played by Tommy Puett. Jerry Berkson (Ray Buktenica) was Libby's quirky boss. In the last two seasons, Becca's boyfriend Jesse McKenna was played by Chad Lowe. The show is set in the Chicago suburb Glenbrook, Illinois, which is named after the high school which one of Braverman's children attended at the time. The name itself is a blend of the real suburbs served by the school, Glenview and Northbrook. Each episode's opening credits end with a shot of Arnold, the family dog (billed as "Arnold the Semi-Wonder Dog"). Apparently forgotten by the family in their rush to get ready