Jason Voorhees arrived to read for the character of Jack. Before he could get started, Cunningham walked in and offered him a different part: Jason. Without having read a single word, Cunningham just looked at Ari and said, "You're the right size, you've got it." In the original "Friday the 13th", Ari Lehman is seen only in a brief flashback as the surprise ending. Subsequent actors who portrayed a young Jason include Timothy Burr Mirkovich in "Jason Takes Manhattan" and Spencer Stump in "Freddy vs. Jason". The adult role of Jason Voorhees has been played by various actors, some not credited, others
Jason Voorhees Wieand has been outspoken about his lack of enthusiasm over his role in the film. Feeling alienated during the shoot, Wieand spent most of his time in his trailer. By comparison, Morga enjoyed his time as Jason and made sure he "really got into the character". A nightclub manager in Glendale, C. J. Graham, was interviewed for the role of Jason in "Jason Lives", but was initially passed over because he had no experience as a stuntman. Dan Bradley was hired, but Paramount executives felt Bradley did not have the right physique to play the role, and Graham was hired