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 been an antagonist in the films, whether by stalking and killing the other characters, or acting as a psychological threat to the protagonist, as is the case in "". Since Lehman's portrayal, the character has been represented by numerous actors and stuntmen, sometimes by more than one at a time; this has caused some controversy as to who should receive credit for the portrayal. Kane Hodder is the best known of the stuntmen to portray Jason Voorhees, having played the character in four consecutive films. The character's physical appearance has gone through many transformations, with various special makeup effects artists