Actor Manu Bennett has been charged with misdemeanour assault after he was accused of punching a 29-year-old man at a party at a San Antonio hotel.
The incident happened early on Sunday at the Grand Hyatt San Antonio hotel.
Bennett was in San Antonio for the Alamo City Comic-Con, according to the Associated Press.
Police have released no details on what prompted the punch-up.
Bennett played Crixus in the Starz cable series Spartacus and Azog in the film series of The Hobbit.