The original KARATE KID, RALPH MACCHIO, has joined the all-star cast of Sacha Gervasi's HITCHCOCK and THE MAKING OF Psycho.

Really looking forward to the privilege of working with one of thegreatest actors of our time

The actor will play revered screenwriter Joe Stefano opposite Sir Anthony Hopkins, who will tackle movie legend Alfred Hitchcock in the film.

Macchio has tweeted his excitement about working with Hopkins, telling fans, "Really looking forward to the privilege of working with one of thegreatest actors of our time".

Helen Mirren will portray Hitchcock's wife Alma Reville, while ScarlettJohansson and Jessica Biel have signed on to play Psycho stars Janet Leigh and Vera Miles, respectively.