Summary (tl;dr)

Chuck Potthast, a familiar face from the reality television series 90 Day Fiancé and father to Elizabeth "Libby" Castravet, has passed away at 64 after a battle with glioblastoma, an aggressive form of brain cancer. His daughter announced the news on Instagram, leading to an outpouring of condolences from fans.

Essential Background

Chuck Potthast gained public recognition through his appearances on TLC's 90 Day Fiancé franchise, particularly in storylines involving his daughter Elizabeth Potthast Castravet and her husband, Andrei Castravet. He was known as a devoted patriarch and a central, caring figure in his family's televised life. Potthast had been battling glioblastoma, a type of aggressive brain cancer, since 2022, and had undergone several surgeries, including an extensive hernia surgery in September 2025 related to complications from prior cancer treatments. He had previously shared that he was cancer-free for five years following a 2017 operation.

The Full Story

Chuck Potthast died at the age of 64 after a courageous battle with glioblastoma. The news was shared by his daughter, Elizabeth "Libby" Castravet, on Instagram on November 23, 2025, where she expressed the family's profound grief and requested privacy during this difficult time. Libby's post indicated that her father passed away "two weeks ago," leaving the family "completely shattered." His passing has prompted a wave of tributes and condolences from the 90 Day Fiancé community and fans worldwide, who remember him for his authenticity and love for his family.

Why It Matters

Chuck Potthast's death is significant to fans of 90 Day Fiancé as he was a beloved and prominent figure on the show, known for his genuine demeanor and protective nature towards his children. His candidness about his health struggles, including his fight with brain cancer, resonated with many viewers. The trending keywords reflect the public's interest in understanding the circumstances of his passing and sharing their condolences for a reality TV personality who became a familiar and endearing presence in their homes. His death highlights the aggressive nature of glioblastoma and brings attention to the challenges faced by individuals and families dealing with such illnesses.

Geographic Location

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