Exclusive Octavius Johnson, famous for his work in “Ray Donovan,” got busted for assault with a deadly weapon … after cops say he threw a fire extinguisher at a female jogger. Law enforcement sources tell TMZ … officers in Burbank responded to a call that a man had allegedly thrown a fire extinguisher at a jogger when they encountered Octavius, whom cops say fit the description of the suspect. We’re told cops tried to detain