ALF Star Benji Gregory’s Cause of Death Revealed

Benji Gregory, the actor best known for playing ALF‘s Brian Tanner, died on June 13 at the age of 46.

Gregory’s sister told TMZ that he dealt with depression, bipolar disorder and a sleep disorder that kept him awake for days.

Essentially this means it was a combination of prolonged exposure to the Arizona sun as well as extensive scarring of the liver.