EXCLUSIVE: Larry Teng, who made his mark as a co-executive producer on Medium and as a director on such shows as Hawaii Five-O, Arrow, Criminal Minds, Elementary and Sleepy Hollow, has signed on to USA’s Graceland as co-executive producer.  Season 3 of Jeff Eastin’s action crime drama kicks off on Thursday, June 25. Teng started his career on NBC’s Ed where he was the associate producer, coordinating producer and co-producer on the show before working for Glenn Gordon Caron on Medium. Teng is repped by Circle of Confusion and the Rothman & Brecher Agency.