Steve Martin

George Banks

Diane Keaton

Nina Banks

Martin Short

Franck Eggelhoffer

Kimberly Williams-Paisley

Annie Banks-MacKenzie

George Newbern

Bryan MacKenzie

Kieran Culkin

Matty Banks

BD Wong

Howard Weinstein

Peter Michael Goetz

John MacKenzie

Kate McGregor-Stewart

Joanna MacKenzie

Jane Adams

Dr. Megan Eisenberg

Eugene Levy

Mr. Habib

April Ortiz

Olivia

Lori Alan

Wife Mrs. Habib

Hallie Meyers-Shyer

Annie Banks (Age 7)

Ann Walker

Dr. Brooks' Nurse

Joshua Duvall Preston

Tantrum Toddler

Tony Simotes

Construction Foreman

Vince Lozano

Gang Kid #2

Caroline Lagerfelt

Check-In Nurse

Wendy Worthington

Prostate Nurse

Dorian Spencer

ER Nurse

Roxanne Beckford

Nina's Nurse

Peter Spears

Dr. Wagner

Susan Beaubian

Annie's Nurse

Christian Boeving

Gym Trainer (uncredited)

Nora Dunn

Realtor (uncredited)

David Novak

Man in Gym (uncredited)

Kylie Travis

Girl in Car (uncredited)