The two are on the ballot to represent District 5, which covers portions of the San Fernando Valley, the San Gabriel Valley, Santa Clarita Valley and Antelope Valley.
Barger has been chief deputy for Antonovich for 15 years, while Park is new to the local political scene and is running for office for the first time.
Watch Carlos Granda's interviews with both candidates on Eyewitness News at 5 p.m. above.
VOTERS EDGE: Get all the facts before you go to the polls