Harold Ramis Neurologist Director, Actor, Screenwriter, Producer Bill Murray Phil Connors Actor Andie MacDowell Rita Actor Chris Elliott Larry Actor Stephen Tobolowsky Ned Ryerson Actor Brian Doyle-Murray Buster Green Actor Marita Geraghty Nancy Actor Angela Paton Mrs. Lancaster Actor Rick Ducommun Gus Actor Rick Overton Ralph Actor Robin Duke Doris the Waitress Actor Carol Bivins Anchorwoman Actor Ken Campbell Man in Hallway Actor Peggy Roeder Piano Teacher Actor David Pasquesi Psychiatrist Actor Danny Rubin Writer, Screenwriter Trevor Albert Producer C.O. Erickson Executive Producer, Unit Production Manager Whitney White Associate Producer George Fenton Original Music John Bailey Cinematographer Pembroke J. Herring Film Editing Howard Feuer Casting David Nichols Production Design Peter Smith Art Director Lisa Fischer Set Decoration Jennifer Butler Costume Design