Marque ‘Tate’ Lynche, who appeared on The All New Mickey Mouse Club from 1993 to 1995, died on Sunday.

He was 34.

The former Mouseketeer was found dead in his apartment in New York City. Investigators are waiting on the medical examiner’s report as to an official cause of death, but the NY Daily News reports that they are treating the death as “suspicious.”

“There was no note, no pills. We’re waiting on the medical examiner,” said police.

"American Idol" season 3 alum Marque "Tate" Lynche has died at 34 https://t.co/z4Fp1RmMZu pic.twitter.com/rhkPxdiN3I

— billboard (@billboard) December 8, 2015

Lynche appeared alongside Ryan Gosling, Justin Timberlake, and Britney Spears on the show.

He also appeared on season three of American Idol and on Broadway in productions of The Lion King and Fame.