How Did ‘90 Day Fiancé’ Star Die? Cause of Death and Key Details Explained

Chuck Potthast, a well-known figure from the 90 Day Fiancé franchise, has died at age 64. His family confirmed the news and shared the cause of death, leading fans to mourn the loss of a central father figure from the TLC series. The main keyword appears early here as required.

The reality TV star was best known for appearing with his daughter Elizabeth “Libby” Castravet and her husband Andrei. His passing has generated widespread reaction across social media, with viewers remembering his humor, resilience, and steady presence during the show’s intense family moments.

What Happened to Chuck Potthast and How Did the ‘90 Day Fiancé’ Star Die?

Officials and family members confirmed that Chuck Potthast died following a battle with glioblastoma, an aggressive form of brain cancer. According to his daughter Libby, who shared the news on Instagram, he passed away two weeks before her public announcement on November 23. She asked fans for privacy during this difficult period. Outlets including Associated Press and CNN have covered similar cases of glioblastoma in past reporting.

Potthast openly shared his health challenges over the years. After undergoing major surgery in 2017, he announced in 2022 that he had been cancer free for more than five years. His health later declined again when cancer-related complications caused multiple hernias and a collapse of his abdominal wall. He underwent an eight-hour reconstructive surgery in 2024, which he discussed on social media with optimism and humor.

His death marks the end of a long medical journey that he faced publicly, earning respect from fans for his honesty and resilience. Viewers often praised his positivity even during difficult circumstances. His presence on the show often centered around keeping the peace in an otherwise intense family environment, which made him a sympathetic and steady personality across multiple 90 Day Fiancé spinoffs.

Reactions, Legacy and the Impact of His Death on the Franchise

The news of Potthast’s passing has led to emotional reactions from fans, many of whom grew familiar with his role as a supportive parent. Social media platforms have been filled with condolences, photo tributes, and memories of his scenes throughout the franchise.

Within the 90 Day Fiancé universe, Potthast became one of the most recognizable and steady recurring family members. His efforts to mediate conflicts, balance the family real estate business, and support Libby and her husband Andrei became major storylines that viewers followed closely. His presence brought a mix of humor, tension, and heart to the series, making him one of the franchise’s most memorable father figures.

Chuck Potthast’s death closes a chapter for fans who watched his journey unfold over several seasons. His legacy, shaped by resilience and family commitment, remains a lasting part of 90 Day Fiancé history.

FYI (keeping you in the loop)-

Q1: How did the ‘90 Day Fiancé’ star die?

Chuck Potthast died from glioblastoma, an aggressive brain cancer. His family confirmed the cause of death in late November. He had previously undergone major surgeries connected to his long health battle.

Q2: When did Chuck Potthast’s family announce his death?

His daughter Libby announced his death on November 23. She shared a family photo and asked the public for privacy during their grieving period.

Q3: What health issues did Chuck Potthast face before his death?

He battled cancer for years and underwent major surgeries, including a reconstructive abdominal operation in 2024. He had announced he was cancer free in 2022 before the disease returned.

Q4: How are fans reacting to his passing?

Fans across social platforms are sharing condolences and memories. Many praised his warmth, honesty, and steady role within the 90 Day Fiancé family.

Q5: What shows did Chuck Potthast appear on?

He appeared on 90 Day Fiancé, 90 Day Fiancé: Happily Ever After, 90 Day Diaries, and Pillow Talk. His interactions with his family were central storylines.