Claim: Stockard Channing appeared in comedy films.
Evidence: She is known for playing Betty Rizzo in the film Grease -LRB- 1978 -RRB- and First Lady Abbey Bartlet on the NBC television series The West Wing -LRB- 1999 -- 2006 -RRB-.
Grease is a 1978 American musical romantic comedy film based on Jim Jacobs and Warren Casey 's musical of the same name.