Lafayette police say Hantz was booked into the parish jail early Friday after the incident in downtown Lafayette. The woman was not seriously hurt.
Officers on patrol nearby were flagged down and interviewed several witnesses. Hantz was released later in the day. It could not be determined whether he had an attorney.
Hantz was runner-up in the "Survivor: Samoa" series and is currently on the series "Survivor: Heroes vs. Villains" on CBS.