Bill Murray (Bob Wiley),
Richard Dreyfuss (Dr. Leo Marvin),
Charlie Korsmo (Sigmund "Siggy" Marvin),
Kathryn Erbe (Anna Marvin),
Tom Aldredge (Mr. Guttman),
Barbara Andres (Claire, Dr. Marvin's Secretary),
Doris Belack (Dr. Catherine Tomsky),
Roger Bowen (Phil),
Fran Brill (Lily Marvin),
Cortez Nance Jr. (Lobby Doorman),
Richard Fancy (Minister),
Julie Hagerty (Fay Marvin),
Marcella Lowery (Betty, Switchboard Operator),
Joan Lunden (TV Announcer),
Melinda Mullins (Marie Grady),
Brian Reddy (Carswell Fensterwald, M.D.),
Dennis Scott (Motorcycle Cop),
Aida Turturro (Prostitute),
Susan Willis (Mrs. Guttman), Margot Welch (Gwen, Switchboard Operator)