Dick Van Dyke as Mark Sloan

Barry Van Dyke as Steve Sloan

Cynthia Gibb as Amanda Bentley

Stephen Caffrey as Jack Parker

Bill Bixby as Nick Osborne

Mariette Hartley as Kate Hamilton

Ken Kercheval as Frank Stevens

William Atherton as Eric Walker

Brynn Thayer as Anita Clifford

Vernee Watson-Johnson as Esther Wiggins

Michael MacRae as Mr. Foss

Richard Redlin as Russell Cord

Shane Meier as Paul McKinney

Arthur Duncan as Mr. Simms

Eliza Roberts as Mrs. McKinney

Shannon Marketic as Jackie Cole (uncredited)