John Ritter

Zach

Vincent Gardenia

Barney

Alyson Reed

Alex

Joel Brooks

Jake

Julianne Phillips

Molly

Chelsea Field

Amy

Peter Donat

Sparky

Don Gordon

Curt

Nina Foch

Alex's Mother

Denise Crosby

Angie

Michael Kidd

Dr. Westford

DeeDee Rescher

Bernice

Bryan Genesse

Rick

Bo Foxworth

Greg

Raye Hollitt

Lonnie

Brenda Swanson

Emily

Heidi Paine

Tina

Diana Barton

Helena

Herb Tanney

Hotel Concierge

Sheryl Lee Ralph

Receptionist

Arsenio

Danny

Toni Attell

Waitress

Robert Dowdell

Traffic Judge

John McCann

Howard Simon

William Hubbard Knight

Adam White

Scott Kraft

Lucas

Richard Domeier

Policeman

Charles David Richards

Party Guest

Brenda Strong

Real Estate Agent (uncredited)