Deborah Kerr
Anna Leonowens
Yul Brynner
King Mongkut of Siam
Rita Moreno
Tuptim
Martin Benson
Kralahome
Terry Saunders
Lady Thiang
Rex Thompson
Louis Leonowens
Patrick Adiarte
Prince Chulalongkorn
Alan Mowbray
Sir John Hay
Carlos Rivas
Lun Tha
Geoffrey Toone
Sir Edward Ramsay
Charles Irwin
Capt. Orton (uncredited)
Marni Nixon
Anna Leonowens (singing voice) (uncredited)
Evelyn Rudie
Royal Child (uncredited)