In the Castle episode "Tone Death," Castle (Nathan Fillion) and Beckett (Stana Katic) are back together and investigating a murder that’s related to an a cappella group. A body is found in a theater and one of the singers, Hunter, is one of the suspects.
Hunter is portrayed by Corbin Bleu. He’s best known for his roles on Drop Dead Diva (Michael Donaldson), One Life to Live (Jeffrey King), and in the High School Musical TV movies (Chad Danforth). Bleu most recently performing in Grease: Live as one of the T-Birds. Fun fact about the 26-year-old Brooklyn native: he is the son of actor/producer David Reivers (Bob Cowan on Charmed, producer of High School Musical 3: Senior Year). Castle airs Mondays at 10pm on ABC.The BEST SALES on Amazon NOW ]