Kelsey Grammer as Nick St. Nicholas

Elaine Hendrix as Heidi Gardelle

Brian Bedford as Jasper

Ana Ortiz as Lorena

Wallace Shawn as Mimir

Lupe Ontiveros as Tia Sophia

Colin Cunningham as Agent Nardo

Brian Miranda as Danny

Luis Garcia as Hector Villarba

Katherine Helmond as Queen Carlotta

Charles Durning as Nicholas XX

Veena Sood as Mrs. Sarathi

Lorena Gale as Mrs. Lange

Simone Claridge as Little Girl

Nicholas Sanz as Little Boy

Ray Galletti as Stage Manager

Armando Pastor as Armando the Cook

Beatrice Zeilinger as Yelena the Maid

Jillian Marie Hubert as Secretarial Elf

Jennifer Spence as Gate Attendant

Peter Kent as Thug

Paul Aldanée as Estate Party Guest (uncredited)

Johnny Hasselbach as Christmas Decorator (uncredited)

Steve Smith as Tied Up Policeman (uncredited)

Mario Xavier as Salsa Dancer (uncredited)