The cause of death for Cheers star George Wendt is now known. The actor died from cardiac arrest, according to the death certificate obtained by TMZ.

Wendt's publicist, Melissa Nathan, confirmed that he had died earlier that morning in a statement shared with PEOPLE

George Wendt, an actor with an Everyman charm who played the affable, beer-loving barfly Norm on the hit 1980s TV comedy “Cheers,” has died. He was 76.