Josh Grisetti, the Broadway performer and television actor best known for his roles in "Something Rotten" and the final season of Amazon's "The Marvelous Mrs. Maisel," died by suicide on Friday. He was 44 years old.

His agent, Rick Ferrari, confirmed the death to NBC News in a statement on Tuesday. "I'm shocked and devastated," Ferrari said. "That's all I've got."

The news sent a wave of grief through the theater community. Friends and collaborators took to social media over the weekend to mourn a man they described as a gifted actor, director, writer, and teacher whose loss leaves a hole in multiple creative worlds at once.

A co-star's tribute breaks the news

Rob McClure, a fellow Broadway actor who played Grisetti's brother onstage in "Something Rotten" for years, announced the death on Instagram on Sunday. His post was unsparing in its anguish.

"It is with a shattered heart that I share that the brilliant Josh Grisetti took his own life on Friday. I'm not ready to even attempt to understand. My heart is with his wife and family as they try to deal with the reality of this."

McClure went on to describe a friendship that ran far deeper than the stage. He had served as the best man at Grisetti's wedding. He credited Grisetti with transforming the musical theater program at Cal State University, Fullerton, where Grisetti taught as a professor.

"Some of my all-time favorite memories were by this man's side, playing his brother onstage for years, watching him inspire students while transforming the Musical Theatre program at Cal State Fullerton...and having the honor of being the best man at his wedding."

McClure closed with a line that captured the scale of loss felt across the theater world: "Communities around the world will never be the same without him. We love you Josh. Just a cataclysmic loss. Memorial info to come in time."

Sierra Boggess and Amy Sherman-Palladino remember Grisetti

Sierra Boggess, the Broadway star who appeared alongside Grisetti in the 2015 production of "It Shoulda Been You" at the Brooks Atkinson Theatre, also posted a tribute on Instagram. She described Grisetti as a "beloved friend" and praised his range as a creative force.

"He was a BRILLIANT actor and director and writer. His students are so lucky they had him as their teacher. I loved the way he looked at the world and how he challenged ideals and norms. I loved his humor and his brain and deep deep philosophical conversations."

"Nothing I can say will make this hurt any less," Boggess wrote. "We all loved him so unbelievably much. He created light and thought and humor everywhere he went."

Amy Sherman-Palladino, the creator of "The Marvelous Mrs. Maisel," offered her own remembrance. Newsmax reported Sherman-Palladino's words: "Josh was a love. Just the best actor, person... the best. We were so lucky to know him and work with him."

The entertainment world has endured a string of losses in recent months. Grizz Chapman, the beloved "30 Rock" actor, died at 52 after years of illness, a reminder of how quickly the industry's familiar faces can vanish.

A career built on stage and screen

Grisetti built a career that spanned Broadway, television, and the classroom. On Broadway, he portrayed Nigel Bottom in the hit musical "Something Rotten," a role that paired him with McClure for an extended run. In 2015, he also appeared in "It Shoulda Been You" and performed a preview of "Don't Bother, I'm Here" in New York City.

On television, Grisetti starred as Ralph Emerson in the final season of "The Marvelous Mrs. Maisel" on Amazon Prime Video, a role that introduced him to a wider audience beyond the theater world.

Off the stage, Grisetti dedicated himself to teaching the next generation. He served as a professor of musical theater at Cal State University, Fullerton, where colleagues say he reshaped the program. McClure's tribute specifically credited him with "transforming" the department, not merely teaching in it.

Born in Washington, D.C. in December 1981, Grisetti graduated from the Boston Conservatory in 2004 with a BFA in musical theater, according to Newsmax. He was 44 at the time of his death.

Deaths of relatively young public figures always carry a particular sting. Kyle Loftis, founder of YouTube channel 1320Video, recently died at 43, another life cut far too short.

His final Instagram post

Days before his death, Grisetti had stepped away from his directorial duties for a production of "Legally Blonde: The Musical" at the Trentino Music Festival, citing "personal reasons." He did not elaborate publicly on what those reasons were.

But he did post one final message on Instagram, a tribute to the cast he was leaving behind. The post included photos of the ensemble posing together, one member holding up a photo of Grisetti on a cellphone. In an accompanying video, the cast called out in unison: "We love you, Josh."

Grisetti's caption was warm and grateful, even as it hinted at pain beneath the surface:

"When you have to leave a production for personal reasons before getting to see the show open, and the cast and team do stuff like this... Literally cried on the plane... little gestures go a long way when your heart is hurting... Love this group of misfits right back!! Happy opening, LEGALLY BLONDE, @trentinomusicfestival!! I'm so proud of you all. Knock their pink socks off!!"

That phrase, "when your heart is hurting", reads differently now. It was a public window into private struggle, posted by a man whose friends and colleagues had no idea how close the end was.

The loss echoes other recent passings of prominent figures across different fields. Joni Lamb, co-founder of Daystar Television Network, died at 65, leaving behind a legacy built over decades of public ministry.

A wider conversation

Grisetti's death arrives at a moment when the performing arts community continues to grapple with mental health challenges that often go unspoken. The pressures of an industry built on public performance, constant audition, and financial instability are well documented. What is less documented is how those pressures compound for people who carry the additional weight of teaching, directing, and mentoring, all roles Grisetti held simultaneously.

None of the public tributes from friends and colleagues suggest they saw this coming. McClure said plainly he was "not ready to even attempt to understand." Boggess said nothing could make the hurt less. Ferrari, his agent, could manage only two sentences.

The specific circumstances surrounding Grisetti's death, the location, any preceding events beyond his departure from the Trentino production, remain undisclosed. His wife, who was not named publicly, and his family have not made statements.

Memorial information will be shared "in time," McClure wrote.

The entertainment industry has lost several notable figures in recent months, each departure a reminder that fame and talent offer no immunity from life's hardest moments. Master sushi chef Katsuya Uechi died at 67, mourned by a culinary world that understood his craft but could not have fully known his private burdens.

If you or someone you know is struggling

The 988 Suicide & Crisis Lifeline is available around the clock by calling or texting 988. Additional resources can be found at 988lifeline.org and SpeakingOfSuicide.com/resources.

Josh Grisetti spent his career making rooms brighter, on Broadway stages, in college classrooms, on television sets. The people closest to him are now left to reckon with the gap between the light he gave others and the darkness he carried himself. That gap deserves more than grief. It deserves honest attention.