Cory Monteith was found dead in his hotel in Vancouver, Canada around noon on Saturday. The 31-year old actor rose to fame on the Fox hit series "Glee" where he played Finn Hudson.

According to CBS, Deputy Police Chief Doug Lepard reported that the star was found after he missed his check out time. Monteith was already dead when paramedics arrived on the scene and was said to have been "deceased for several hours."

The actor stayed at the Pacidfic Rim hotel and was seen earlier in the day with other people however, police believe the actor was alone during the time of his death and said there were no indications of foul play.

The cause of death has yet to be released as the Coroner, Lisa Lapointe has said the reason was not immediately apparent. CBS reported that an autopsy is scheduled for Monday.

Monteith had a troubled past, back in April the actor's rep confirmed that he had "voluntarily admitted himself to a treatment facility for substance addiction."

The actor said he had a serious problem and CBS reported he admitted he took "anything and everything." He even told Parade magazine that he was "lucky to be alive."

Monteith was dating his "Glee" costar Lea Michele who supported him when he entered rehab in April. At the time she told People magazine, "I love and support Cory and will stand by him through this. I am grateful and proud he made this decision."

As celebrities took to Twitter to express their heart break over the star's passing his girlfriend preferred to be silent during this hard time.

Her rep released a statement to People saying, "We ask that everyone kindly respect Lea's privacy during this devastating time."

The official "Glee" Twitter page tweeted, "We are deeply saddened by this tragic news. Cory was an exceptional talent and an even more exceptional person.

"He was a true joy to work with and we will all miss him tremendously. Our thoughts and prayers are with his family and loved ones."

Kim Kardashian tweeted, "Just heard about the death of Cory Monteith. So sad. Prayers 4 his family. Praying 4 Lea too! Words cant describe what they must be feeling."

While Taylor Swift wrote, "Speechless. And for the worst reason."

Actress Nina Dobrev also made a post saying, "I'm gutted. Shocked and saddened to hear the news, my heart goes out to Cory's family and friends. Lets respect their space as they grieve."

Now that the actor has passed many are wondering how the hit show will continue without one of its most beloved characters.

What are you thoughts on Cory Monteith's death? Leave us a comment below.