• 
  Paul Sorvino

  Danny
• 
  Ann-Margret

  Barbara
• 
  Eric Roberts

  Dr. Eric Owens
• 
  Frankie Avalon

  Jack Freidman
• 
  Mischa Barton

  Jennifer
• 
  Myla Martin

  Sheila
• 
  Vincent Pastore

  (rumored)
• 
  David Proval

  David (rumored)

• 
  Tia Barr

  Melony
• 
  Rachel Reilly

  Tiffany
• 
  Robert Scott Wilson

  Ben Freidman
• 
  David Holt

  Young David
• 
  Daniella Ruiz

  Wedding Singer
• 
  Jeff DeCrosta Jr.

  Scott
• 
  Rene Michelle Aranda

  Robin

• 
  Denise Faro

  Bella
• 
  Kurtis Anton

  Wedding Drummer
• 
  Priscilla Monnier

  Young Sarah
• 
  San Blakkert

  Dina
• 
  Daryl Hannah

  Sarah Freidman
• 
  Hector David Jr.

  Alberto
• 
  Dar Zuzovsky

  Sheila
• 
  Michael Madsen

  Ivan
• 
  Jason Altslatt

  Basketball Kid