Cory Monteith, who played Finn Hudson in Glee, was found dead in his hotel room in Vancouver on Saturday.
For the moment, the reason for his death is still unknown and an autopsy will be performed on Monday.
Until more information about this tragedy is released, stars have already reacted to the sad news.
A joint statement was released by the executives producers of Glee: “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.”
His girlfriend, Glee co-star Lea Michele, has made a public statements through her agency, saying, “We ask that everyone kindly respect Lea’s privacy during this devastating time.”
Glee actors Harry Shum Jr and Dot Marie Jones who play Mike Chang and Shannon Beiste tweeted their condolences.
“At this time, please send nothing but love and light,” Harry wrote. “This tragic news still doesn’t feel real to me.”
“‘I am blessed to have worked with him and love him so much!” Dot-Marie wrote. “My heart is with his family and our whole Glee family! I love you all!”
“I have no words! My heart is broken. Cory was not only a hell of a friend, he was one amazing man that I will hold close to my heart forever.”
His co-star Mark Salling simply tweeted the word “No,” while Iqbal Theba, who plays Principal Figgins, wrote: “OMG!! My Cory…”
“Goodbye my amazing and beautiful friend. The lights in my world just grew dimmer. The world just lost one of our best. I love u so much,” wrote Adam Shankman, who directed on Glee.
Taylor Swift, who had dated Monteith in 2010 for a short period, tweeted: “Speechless. And for the worst reason.”
Rihanna wrote: “Cory Monteith, may your spirit be at peace, and may you fly with the angels… Heartbreaking, my prayers are with all of his loved ones!”
Selena Gomez posted a posted a pic of herself and the actor with the caption: “This hurts. I love you Cory. Rest in peace. My thoughts and prayers are with you and your family.”
“What an absolutely tragic loss of a very talented young man,” Zooey Deschanel tweeted.
John Stamos guest-starred in a few episodes of Glee and posted a photo of himself and Corey.
“First day on Glee he said to me, I can’t believe I’m working w/Uncle Jesse – I can’t believe I’m writing this tweet. Heartbreaking. R.I.P. Cory,” he wrote.
“We talked about how lucky he felt to be alive and sober. We talked about playing drums. Glad I knew you Cory.”