Actor Robin Williams was found dead today, according to Marin County Sheriff's Department in California. 

The 63-year-old actor and comedian, best known for his roles on "Mrs. Doubtfire," "Aladdin," and "The Birdcage" was found unconscious at his residence today.

According to the Marin County Coronor’s office's press release, the cause of death is suspected to be “suicide due to asphyxia.”