An investigation is underway after actor Gene Hackman, 95, and his wife, Betsy Arakawa, 64, were mysteriously found dead alongside a dog in their Santa Fe, New Mexico, home, authorities said. The couple was found on Wednesday during a welfare check,

The office says it does not suspect foul play, however, an exact cause of death has not been determined. In a search warrant released Thursday, police described Hackman and Arakawa's deaths as "suspicious.

Gene Hackman and his wife Betsy Arakawa were found dead at their home in New Mexico, alongside their dog. Hackman was known for roles in "Bonnie and Clyde," "Superman," and "The French Connection."