凯西·乔恩·戴德瑞克，Casey Jon Deidrick (born April 25, 1987)is an American actor and heavy metal/rock singer. Deidrick is best known for his character on the NBC soap opera, Days of Our Lives, for his role of Chad DiMera. Casey Deidrick is currently (2015) starring opposite Victoria Justice in MTV's drama-thriller series, Eye Candy. In the series, based on R.L. Stine's novel of the same name and developed by Catherine Hardwicke, Deidrick plays Tommy, an NYPD Cyber Unit detective investigating a serial killer alongside Justice's character.