• 
  Kelli O'Hara

  Anna
• 
  Ken Watanabe

  The King
• 
  Na Young Jeon

  Tuptim
• 
  Connor Mason

  Royal Child
• 
  Ruthie Ann Miles

  Lady Thiang
• 
  Naomi Sue

  Royal Child
• 
  Edward Baker-Duly

  Captain Orton / Sir Edward Ramsey
• 
  Takao Osawa

  The Kralahome (as Takao Osawa)

• 
  Miiya Alexandra

  The Royal Wives
• 
  Steven Hardcastle

  On Stage Swing
• 
  Aiko Katô

  The Royal Wives (as Aiko Kato)
• 
  Arthur Lee

  Ensemble
• 
  Jon Chew

  Prince Chulalongkor
• 
  William Michael Lee

  Phra Alack
• 
  Dean John-Wilson

  Lun Tha

• 
  Yuki Abe

  The Royal Wives
• 
  Aiden Lee

  The Royal Children
• 
  Billy Marlow

  Louis
• 
  Leona Zhuang

  The Royal Children
• 
  Angelina Lee

  The Royal Children
• 
  Paul Benedict Sarte

  The Royal Children (as Paul Sarte)
• 
  Angelica Scott

  The Royal Children (as Angelica Pearl Scott)