The original Karate Kid, Ralph Macchio, has joined the all-star cast of Sacha Gervasi's "Hitchcock & The Making Of Psycho."
 
The actor will play revered screenwriter Joe Stefano opposite 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 the greatest actors of our time."
 
Helen Mirren will portray Hitchcock's wife Alma Reville, while Scarlett Johansson and Jessica Biel have signed on to play "Psycho" stars Janet Leigh and Vera Miles, respectively.