WHO PLAYED SANTINI, THE MENTALLY RETARDED STUDENT, IN THE1955 FILM CLASSIC THE BLACKBOARD JUNGLE? July 14, 2017 By Show answer JAMIE FARR, BEST KNOWN FOR HIS PORTRAYAL OF NUTTY, CROSS-DRESSING CORPORAL MAXWELL KLINGER ON TV’S M*A*S*H. HE IS LISTED IN THE MOVIE CREDITS UNDER HIS GIVEN NAME, JAMEEL FARAH More Entertainment QuestionsMore Television Questions