Coroner: Mix of heroin and alcohol killed 'Glee' star
July 17, 2013 -- Updated 1201 GMT (2001 HKT)
- NEW: Lea Michele is grieving alongside Monteith's family, her reps say
- Death was nothing more "than a most-tragic accident," coroner says
- Monteith was found dead Saturday in a Vancouver hotel room
- The actor, 31, had been on the hit Fox series since it premiered in 2009
(CNN) -- "Glee" star Cory Monteith died as a result of "a mixed drug toxicity, involving heroin and alcohol," the British Columbia Coroners Service said Tuesday.
"At this point there is no evidence to suggest Mr. Monteith's death was anything other than a most-tragic accident," the coroners service said in a statement, adding that no further details were available pending a full investigation.
Monteith, 31, was found dead Saturday in his room by staff members at Vancouver's Fairmont Pacific Rim Hotel after he missed his checkout time.
The actor spent time in rehab this year, checking into a drug addiction treatment facility in late March.
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Elizabeth Vargas admitted having a problem with alcohol and entered a treatment program in November 2013. She returned to rehab in August 2014.
Celebrity substance abuse confessions
The death of actor Cory Monteith at the age of 31 meant his hit show "Glee" had to figure out how best to deal with his character. Monteith's character, Finn Hudson, also died on the series. "Glee" is not the only one to face such a challenge...
Photos: TV shows that have lost stars
Click through to see people who passed away in 2013.
Photos: People we lost in 2013
Monteith had been frank about his struggles with substance abuse, telling Parade magazine in 2011 that he began using drugs at 13 and by 19 went into rehab after his mother and friends intervened.
Monteith had been on Fox's hit musical comedy show since it began in 2009, playing the dim quarterback of the football team who is forced to join the glee club. After graduation, he comes back to town and helps direct a musical at the school.
How will 'Glee' handle the death of Cory Monteith?
Adam Shankman, who directed an episode for each of the past three seasons, told CNN's Poppy Harlow that he had talked to Monteith on Saturday morning. The actor said he wanted to come down to California to Jet Ski.
Shankman described Monteith as the glue of "Glee." He was always welcoming, whether it was to a guest director or a new cast member, Shankman said.
The actor knew all of his lines when filming began each time and would congratulate his fellow cast members when he thought they did well.
"He showed up every day, and he was a delight," Shankman said.
Offscreen, Monteith was dating co-star and on-screen love interest Lea Michele.
Lea Michele on 'devastating' news of Monteith's death
He was madly in love with her, Shankman said. "He felt like it had renewed his spirit."
Representatives for Michele issued a brief statement Monday saying the actress is "deeply grateful for all the love and support she has received from family, friends, and fans."
"Since Cory's passing, Lea has been grieving alongside his family and making appropriate arrangements with them," the statement said. "They are supporting each other as they endure this profound loss together."
People we lost in 2013
CNN's Steve Almasy and Amanda Watts contributed to this report.
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January 6, 2014 -- Updated 0030 GMT (0830 HKT)
Click through our gallery to remember those we lost this year.
January 2, 2014 -- Updated 0055 GMT (0855 HKT)
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January 1, 2014 -- Updated 1959 GMT (0359 HKT)
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December 23, 2013 -- Updated 2300 GMT (0700 HKT)
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December 22, 2013 -- Updated 1153 GMT (1953 HKT)
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December 19, 2013 -- Updated 2137 GMT (0537 HKT)
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December 31, 2013 -- Updated 2053 GMT (0453 HKT)
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December 19, 2013 -- Updated 0041 GMT (0841 HKT)
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December 17, 2013 -- Updated 0223 GMT (1023 HKT)
Oscar-winning actress Joan Fontaine died, her longtime friend Noel Beutel said. She was 96.
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December 2, 2013 -- Updated 1458 GMT (2258 HKT)
Actor Paul Walker, who shot to fame as star of the high-octane street racing franchise "Fast & Furious," died in a car crash in Southern California. He was 40.
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Paul F. Crouch, co-founder of the Trinity Broadcasting Network, died at age 79.
November 29, 2013 -- Updated 2342 GMT (0742 HKT)
Jane Kean, who played diverse roles during a long career but was best known as Trixie on the TV revival of "The Honeymooners," has died. She was 90.
November 25, 2013 -- Updated 1244 GMT (2044 HKT)
Singer Wayne Mills, whose "outlaw country" songs center on honky-tonk life, died in a Nashville bar shooting.
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