According to the Los Angeles Times, police said the man put Sizemore in a headlock after threatening the actor and the woman with a pretend gun. The alleged attacker then stole Sizemore's guitars and other possessions.
The unidentified man has been charged with grand theft and vandalism, E! News reported.
Often cast in tough-guy roles and action films, Sizemore has starred in "Natural Born Killers," "Saving Private Ryan" and "Black Hawk Down."
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Los Angeles police arrested a man for allegedly assaulting actor Tom Sizemore at his downtown Los Angeles home Thursday night and making off with several of his personal items. Police said the 32-year-old man was the boyfriend of a woman Sizemore was involved with.
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