Cory Monteith, the handsome young actor who shot to fame in the hit TV series “Glee” but was beset by addiction struggles so fierce that he once said he was lucky to be alive, was found dead in a hotel room, police said. He was 31.

The Canadian-born Monteith, who played star quarterback-turned-singer Finn Hudson on the Fox TV series about a high school glee club, was found dead in his room on the 21st floor of the Fairmont Pacific Rim Hotel on Vancouver’s waterfront about noon Saturday, according to police.

Acting Vancouver Police Chief Doug LePard said there was no indication of foul play.

Vancouver police said Sunday that an autopsy is expected to take place today to determine the cause of death.

Monteith’s body was found by hotel staff who entered his room after he missed his check-out time, LePard said. Monteith had checked into the hotel July 6.

“We do not have a great deal of information as to cause of death,” said British Columbia Chief Coroner Lisa Lapointe. She said further tests would be needed to determine how Monteith died.

“The exact nature of those examinations will depend on investigative findings within the next day or two as information is gathered from medical records and discussions with family take place,” she said.

LePard said Monteith had been out with people earlier and that those people are being interviewed.

Video and electronic records from the hotel indicate Monteith returned to his room by himself early Saturday morning, and he was believed to be alone when he died, LePard said.

Lapointe said he had been dead for several hours by the time his body was found.

Lea Michele, Monteith’s “Glee” co-star and real-life girlfriend, was asking for privacy after receiving news of his death, said her representative, Molly Kawachi of ID-PR .

“We ask that everyone kindly respect Lea’s privacy during this devastating time,” Kawachi said in in an email.

“Glee” cast members and other celebrities took to Twitter to express their feelings.

“I have no words! My heart is broken,” Dot-Marie Jones, who plays football coach Shannon Beiste on “Glee,” said in a post on her Twitter account Saturday night. She called Monteith a “hell of a friend” and an “amazing” man.

Lauren Potter, who plays Becky Jackson, the cheerleader with Down Syndrome on “Glee,” tweeted that she feels “totally heartbroken right now.”

“I love Cory so much this hurts my heart,” she wrote. “I hope my Glee family is OK right now. I love them all. Cory was always so nice to me. I have so many good memories.”

“What an absolutely tragic loss of a very talented young man,” tweeted Zooey Deschanel, star of another Fox show, “New Girl.”

Fox and the producers of “Glee,” including 20th Century Fox Television, called him an exceptional performer “and an even more exceptional person. He was a true joy to work with and we will all miss him tremendously.”

“We are in shock and mourning this tragic loss,” his representatives at Viewpoint Public Relations in Los Angeles said in a statement.

In April, Monteith checked himself in to a treatment facility for “substance addiction” and asked for privacy as he took steps toward recovery, a representative said at the time.

Michele told People magazine at the time that she loved and supported him and was proud he was seeking help.

It was not Monteith’s first time in rehab. He received treatment when he was 19 and had previously talked about his addiction struggles, saying he had a serious problem and took just “anything and everything.”