White Christmas/Trivia

• Dawson Casting: 32-year-old Vera-Ellen as "Little Judy", who appears from all evidence to be about 19. (By contrast, older sister Betty was played by 25-year-old Rosemary Clooney.)
• Hey, It's That Guy!: In one number, you can see future Academy Award winner George Chakiris, who played Bernardo in West Side Story.
  • A grown-up Carl "Alfalfa" Switzer also makes an uncredited appearance in a photograph as Benny “The Dog-Faced Boy” Haynes.
  • Sister Mary Lazarus is the housekeeper at the inn that hired a sister act.
  • The dim-witted blonde chorus girl with the annoying voice is Barrie Chase, who would become one of Fred Astaire's last regular dancing partners between 1958 and 1966.
  • Piglet is a train conductor.
• Non-Singing Voice: Vera-Ellen's singing voice was provided by one Trudy Stevens. For the song "Sisters," Rosemary Clooney sang both parts.
• Recycled Set: The Pine Tree Inn set includes components recycled from the titular Inn of Holiday Inn.