Zac Efron: 'Parkland' Official Trailer - Watch Now!

Check out Zac Efron sporting a doctor’s coat in this newly released trailer for his upcoming film Parkland!

The 25-year-old actor is joined in the trailer by Paul Giamatti, Marcia Gay Harden, Billy Bob Thorton, and James Badge Dale.

PHOTOS: Check out the latest pics of Zac Efron

Parkland centers on the chaotic events that occurred at Dallas’ Parkland Hospital when U.S. President John F. Kennedy was assassinated.

In case you missed it, check out a new still and poster for the film, which hits theaters on Friday, September 20!