Photo: Alan Zenuk/USA Networks/Everett Collection When Psych showrunner Steve Franks was auditioning actors to portray Shawn Spencer, everybody’s favorite psychic detective, he told us how most actors were hitting their lines with too much aggression and snark. James Roday Rodriguez took a different approach: He would embody the comedic spirit of Chris Knight, Val Kilmer’s character from 1985’s Real Genius, giving Shawn a warmth that the others lacked. Rodriguez would go on to embody the role