Actor and former model Dayle Haddon has died at the age of 76, reportedly from suspected carbon monoxide poisoning.

The Solebury Township Police Department responded to a call on Friday morning at a residence in Bucks County, Pennsylvania, after receiving a report of a man “lying down, passed out on the first floor of a detached office/in-law suite,” according to The Hollywood Reporter, citing CBS News.

The man, also 76 years old, was transported to a local hospital for treatment, but his identity has not yet been disclosed. During their investigation, authorities discovered Haddon deceased in a second-floor bedroom. High levels of carbon monoxide were detected on the property by the fire department. Additional details about the incident are still awaited.

Born in Toronto on May 26, 1948, Haddon first gained prominence as a supermodel before transitioning to Hollywood. She debuted in the Disney film The World’s Greatest Athlete in 1973 and accrued around 25 acting credits over her career. These include The Cheaters (1975), Madame Claude (1977), North Dallas Forty (1979), Desert Chase (1986), Cyborg (1989), Unbecoming Age (1992), and Bullets Over Broadway (1994).