Question: Which singer, Glenn Tilbrook or JC Chasez, got their start in acting?
Sentence (from "JC Chasez"): He started out his career as a cast member on "The Mickey Mouse Club" before rising to stardom with *NSYNC, and by writing and producing for music acts such as Girls Aloud, Basement Jaxx, David Archuleta, and Matthew Morrison.
Relevant evidence: Yes