Lisa Sheridan appeared on several TV shows including Halt and Catch Fire, CSI: Crime Scene Investigation and Invasion

By Alexia Fernandez
February 27, 2019 07:55 PM
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Actress Lisa Sheridan, who appeared in Invasion and Halt and Catch Fire, has died. She was 44.

Sheridan’s manager, Mitch Clem, confirmed her death to PEOPLE on Wednesday.

“We all loved Lisa very much and are devastated by the loss we all feel,” Clem tells PEOPLE. “She passed away Monday morning, at home, in her apartment in New Orleans. We are waiting for a coroners report on cause of death.”

Clem denied Sheridan had taken her own life: “The family has unequivocally confirmed that this is not a suicide. Any suggestion to the contrary is absolutely, 100% unfounded.”

Some friends of the actress — she starred as Larkin Groves on Invasion from 2005-06 — shared the news on social media, including actress Donna D’Errico, who worked with Sheridan in the 2015 film Only God Can.

“I just received news that my dear friend, actress Lisa Sheridan, has passed away,” D’Errico, who has appeared on Baywatch and Baywatch Nights, shared on Facebook. “She was found Monday morning. I am sitting here stunned. Lisa and I filmed a movie together 5 years ago and became very close on set and remained close friends after filming ended.”

She continued, “It’s so rare to find kind, gentle souls like hers in this industry, this city…even this world. Truly one of the most genuinely sweet and gentle people I’ve ever come across in my life. She brought a sweetness and bright energy to any room she happened to walk into…even in her darker times.”

“I am devastated by this loss. I had just spoken with her and everything seemed great and she seemed happy and in good spirits. Everyone who knew her loved and adored her. Goodbye and goodnight sweet angel…I will miss you terribly,” D’Errico, 50, concluded. “Please send up prayers for her family.”

Another friend of Sheridan’s, filmmaker Michael Dunaway, wrote a tribute to the actress on Facebook.

“She called me Big Brother, and for all intents and purposes I was. I met Lisa when she was fourteen years old, over thirty years ago,” he wrote. “We were immediately attached at the hip, true soulmates from minute one.”

Dunaway added that the actress struggled “over the last few years.”

“For the rest of the days of her life, she was a central part of mine. She was beautiful, obviously, and an immensely talented actor, and a wonderful friend, but more than anything she really did radiate this impossibly bright energy and life. Even in her dark moments,” he continued.

“And she had plenty of those, especially over the last few years,” he shared. “During these later years she took to telling me, “You’re the greatest big brother a girl could ever have.’ It was how we ended each conversation.”

“I treasured it then, and I treasure it even more now knowing I’ll never hear it again, this side of the river. So good night, my sweet little sister,” he concluded. “No one will ever again be to me what you were, and are. I’m trying to take comfort in knowing your struggles and pain and grief are ‘at last, and last behind you.’ I love you with all my heart, yesterday, today, and forever. Sorry that I can’t write more; it’s just still too painful.”

The actress’ television credits also include Legacy, CSI: Crime Scene Investigation, Journeyman and The Mentalist, among others.

In the early 2000s, Sheridan was previously engaged to A Million Little Things actor Ron Livingston.