Stockard Channing starred as Betty Rizzo.
Grease (film) . Directed by Randal Kleiser and written by Bronte Woodard , the film stars John Travolta as Danny , Olivia Newton-John as Sandy and Stockard Channing as Betty Rizzo . Stockard Channing . She is known for playing Betty Rizzo in the film Grease ( 1978 ) and First Lady Abbey Bartlet on the NBC television series The West Wing ( 1999 -- 2006 ) .