Hollywood actress Jennifer Aniston plays a doctor who blackmails a patient for sexual favors in her film Horrible Bosses, which releases in July next year.

According to her co-star Charlie Day, Anniston plays Dr. Julia Harris who tries to get his character Dale Arbus to sleep with her. He revealed that he knew nothing about the 41-year-old Friends star. He didn't even know she was once married to actor Brad Pitt.

He also jokes that the pair had little time to get to know each other and found each other shooting for a sex scene in a dental clinic.

Horrible Bosses also stars Colin Farrell and Kevin Spacey.