Actor Gene Hackman and another driver engaged in a brief fight after a minor car accident, police said.
No one was arrested or seriously hurt, Officer Guillermo Campos said.
Hackman and the other motorist pulled over on a cross-street near Sunset Boulevard on Monday after bumping their vehicles.
Hackman's publicist, Dick Guttman, said the actor's car struck the other vehicle when it crossed in front of him unexpectedly.
When the actor tried to exchange insurance information, the other driver and his male passenger began shoving Hackman, 71, Guttman said.
Witnesses alerted police that the men were punching each other but the fight had ended by the time officers arrived.
Police did not release the other driver's name.
The men declined to press charges against each other.