Olivia d'Abo

Character: Sharron Holden

Jonathan Silverman

Character: Robert Jones

C. Thomas Howell

Character: Jack Carter

Lisa Sheridan

Character: Holly Carter

Anthony Starke

Character: Dustin Holden

Maeve Quinlan

Character: Eva Jones

Dina De Laurentiis

Character: Ann Holden

Josh Reid

Character: Stuart Holden

Sadie Stahura

Character: Sienna Carter

Darien Willardson

Character: Tommy Jones

Jon Voight

Character: Jerry the Dog (voice)

Bus Riley

Character: Kris Kringle

Walter Platz

Character: Orson

Cathleen Mason

Character: Ursula

JJ Neward

Character: Ralph's Assistant

Steven Paul

Character: Mr. Ralph

Elizabeth Monte

Character: Office Executive

Kimberli Hudson

Character: Volunteer