Chuck Potthast, known for his role on the reality series *90 Day Fiancé*, has passed away at the age of 64. He was the father of Elizabeth ‘Libby’ Castravet and appeared in the fifth season of the TLC show.
Elizabeth, along with her husband Andrei, first joined the series in 2017 and continued to appear in the spin-off, *90 Day Fiancé: Happily Ever After?* On Sunday, November 23, Elizabeth shared the devastating news of her father’s passing through a joint Instagram post with Andrei.
“Two weeks ago, tragedy struck our family and it has left us completely shattered,” she stated in the post. “My sweet, loving, and caring dad went to heaven. We’re trying to figure out how to navigate our lives and move forward without him. Please respect our privacy during this extremely difficult time.”
Chuck had been diagnosed with glioblastoma, a type of brain cancer, in 2022. He kept followers updated on his condition through social media, including details of a hernia surgery in September which turned into an extensive eight-hour procedure due to complications from earlier cancer treatments.
He managed a business focused on rental properties and home renovations, CMP Capital Investments. Chuck and his former wife Pamela were parents to seven children: Elizabeth, David, Charles, Daniel, Michael, Jennifer, and Becky.
Becky also paid homage to her father with an Instagram post, sharing a photo of them together on her wedding day, captioned: “Two weeks ago on this day my world became distorted into a place I don’t understand. My father Chuck went home to be with The Lord. The pain is still more than I can bare so this is all I can write.”

Glioblastoma is described by the Mayo Clinic as a rapidly progressing and invasive cancer that originates from cell growth in the brain or spinal cord. It can develop at any age but predominantly affects older adults. The American Brain Tumor Association notes that over 12,000 cases of glioblastoma are diagnosed annually in the United States.
Symptoms of glioblastoma, as listed by the Mayo Clinic, can include both physical and mental manifestations. Headaches, particularly severe ones in the morning, are common. Other symptoms could involve vision changes such as blurred or double vision, nausea, vomiting, and difficulty with speech.
Seizures, especially in individuals without a history of them, can signal glioblastoma. Additionally, issues with balance, muscle weakness in the face, arms, or legs, and a diminished sense of touch might be indicative. The condition can also lead to personality changes, irritability, confusion, and memory loss. If any of these symptoms are present, it is important to consult a healthcare professional.

