A former a Power Rangers actor has pleaded guilty to voluntary manslaughter for stabbing his roommate to death with a sword. Prosecutors. Former “ Power Rangers ” franchise actor Ricardo Medina was sentenced Thursday to six years in prison for the slaying of his roommate. An actor who once held a starring role in one of the “ Power Rangers ” series was sentenced to six years in prison Thursday for killing his. Aftermath of Air Canada jet sliding off runway WATCH NOW. Superior Court Judge Daviann L. Medina pleaded guilty to the reduced manslaughter charges, which, in California, can result in a sentence of three years, six years or 11 years. Ricardo Medina, 38, entered the plea Thursday in Antelope Valley court, admitting Power Rangers Cast Wants a Female Green Ranger Medina pleaded guilty earlier this month to voluntary manslaughter in a deal that reduced his charges from murder, which carries a maximum prison time of 11 years. State to seek death penalty against gunman who killed 8 eliteprtner Seal Beach rampage. Carrie's shocking autopsy results TMZ.