What About Bob?— Full Cast

Bill Murray

as Bob Wiley

Richard Dreyfuss

as Dr. Leo Marvin

Julie Hagerty

as Fay Marvin

Charlie Korsmo

as Sigmund "Siggy" Marvin

Kathryn Erbe

as Anna Marvin

Tom Aldredge

as Mr. Guttman

Susan Willis

as Mrs. Guttman

Roger Bowen

as Phil

Fran Brill

as Lily Marvin

Brian Reddy

as Carswell Fensterwald, M.D.

Doris Belack

as Dr. Catherine Tomsky

Melinda Mullins

as Marie Grady

Marcella Lowery

as Betty, Switchboard Operator

Margot Welch

as Gwen, Switchboard Operator

Barbara Andres

as Claire, Dr. Marvin's Secretary