Isabel Bigelow/Samantha Stephens

Nicole Kidman

Jack Wyatt/Darrin Stephens

Will Ferrell

Iris Smythson/Endora

Shirley MacLaine

Nigel Bigelow

Michael Caine

Ritchie

Jason Schwartzman

Maria Kelly

Kristin Chenoweth

Nina Johnson

Heather Burns

Stu Robison

Stephen Colbert

Larry

Jim Turner

Jim Fields

David Alan Grier

Joey Props

Michael Badalucco

Aunt Clara

Carole Shelley

Uncle Arthur

Steve Carell

Valet

Jarrad Paul

Gorgeous model

Valerie Azlynn

Sheila Wyatt

Katie Finneran

Conan O'Brien

Conan O'Brien

Himself

James Lipton

Gladys Kravitz

Amy Sedaris

Abner Kravitz

Richard Kind

Writer

Kenneth Hudson Campbell

Writer

P.J. Byrne

Realtor

Carol Androsky

Writer

Ken Hudson Campbell

Bed, Bath and Beyond Shopper

Annie Mumolo

Bed, Bath and Beyond Shopper

Andrew Friedman

Coffee Shop Waitress

Clay Bravo

Beverly Hills Hotel Hostess

Heather Maristella

Cable Man

Jonathan T. Floyd

Ed McMahon

Ed McMahon

Auditioning Actress

Alison MacInnis

Auditioning Actress

Bridget Brno

Auditioning Actress

Dana Daurey

Auditioning Actress

Jennifer Elise Cox

Auditioning Actress

Dorie Barton

Auditioning Actress

Laura Sorenson

Auditioning Actress

Brittany Krall

Auditioning Actress

Dawn Ashley Cook

Auditioning Actress

Katie Carroll

Auditioning Actress

Julia Anne Schuler

Francine

Roxanne Beckford

Network Executive

Hugh Davidson

Voice-Over Announcer

J.J. Sacha

Auditioning Actress

Julia Decker

Auditioning Actress

Abbey DiGregorio

Press Conference Reporter

Susan Chuang

E! Reporter

Mo Rocca

Book Soup Cafe Waitress

Jennifer Hall

E! Anchor

Wendi McLendon-Covey

Hillary

Julie Claire

Randall

Joe Zymblosky

Production Staff Assistant

Dianne Dreyer

Sexy Waitress

Kate Walsh

Press Conference Photographer

Jordan Black

E! Anchor

Jason George

Police Officer

Victor Williams

Trick-or-Treater

Ruby Rose Skotchdopole

Trick-or-Treater

Molly Gordon

Vietnam Soldier

Nick Lachey

Dinner Party Guest

Terry Savage

Darrin Stephens (archive footage) (uncredited)

Dick York

Trick-or-Treater

Liesel Staubitz

Auditioning Actress

Abbey McBride

Samantha Stephens (archive footage) (uncredited)

Elizabeth Montgomery

Endora (archive footage) (uncredited)

Agnes Moorehead

Samatha Lookalike (uncredited)

Jessica Mathews

Press Girl (uncredited)

Amelinda Embry