LOS ANGELES (MCT) — For eight seasons, Eric McCormack played jovial gay lawyer Will Truman on NBC’s “Will & Grace,” a man surrounded by voices competing for his attention: his neurotic roommate Grace, his flamboyantly peppy friend Jack and boozy socialite sidekick Karen. His latest TV role one-ups the babble: In TNT’s new summer drama “Perception,” which premiered Monday, McCormack stars as Dr. Daniel Pierce, a scruffy neuroscientist and professor who helps the federal government solve difficult cases with the help of his own multiple voices. He is, after all, paranoid schizophrenic.

So will viewers make room for another eccentric consultant crime-solver in a TV world that’s seen the likes of “Monk,” “Psych,” “Castle” and “The Mentalist,” to name a few?

“I’m sure all of the critics will say there’s fatigue there,” McCormack said via Skype from New York, where he’s just wrapped a run in Broadway’s revival of Gore Vidal’s “The Best Man.” “But I don’t think the critical fatigue reflects the audience interest.