(PEOPLE.com) -- One Day at a Time's Schneider's childhood best friend died relatively young -- at only 58 -- but his death was from natural causes, a coroner official confirms.
"[Schneider's pal] was under the care of a private physician for a natural disease," L.A. County Coroner Chief Craig Harvey tells PEOPLE. "There will be no coroner involvement."
The friend had been battling cancer, according to a 2007 tabloid report, but a publicist for the actor declined to comment on the cause of death.
The actor's friend passed away Saturday after a 911 call was made from Schneider's L.A. home.
Schneider and friend, who were BFFs 30 years, had three wild weekends in Branson, Missouri.