William Atherton as Stan Harvey

Susan Dey as Linda Harvey

Kim Novak as Billie Farnsworth

Valerie Perrine as Dee Staufer

James Coburn as Tom Wharton

Chad Everett as Art Bonnell

George Hamilton as Jay Pomerantz

Steve Forrest as Rich Bradley

Jenilee Harrison as Cindy

Ann Jillian as Gail Hessian

Richard Mulligan as Charlie Wigham

Anthony Newley as Wilson Mahoney

Eva Marie Saint as Mary Wharton

Bridget Hanley as Laura Bonnell

Troy Donahue as Clint Redman

Brad Maule as Lane Ponda

Richard McKenzie as Hunnicutt Powell

Rod McCary as Alex West

Selma Archerd as Amanda Settles

Floyd Levine as Mr. X

Hansford Rowe as Dr. Ferraro

Reid Smith as Tad

Douglas Dirkson as Bascomb

Diane Sommerfield as Leoni

Steve Levitt as Goopy

Peter Van Norden as Bumbo

Carol Hamner as Mrs. Benedict

Monique St. Pierre as Jane Dennison

Tawny Kitaen as Mahoney's Girlfriend