Surveillance video shows a man in a sleeveless shirt and green hat walking past the clerk.
Moments later, the clerk leaps over the counter when a second suspect comes at her with a knife.
She ran past the first suspect as the second one grabbed the cash register.
No one was injured in the robbery.
If you recognize the men in the video or have any information, you're urged to call the Orange County Sheriff's Department at (866) TIP-OCSD.