Mike Vogel as Dale "Barbie" Barbara, Natalie Martinez as Deputy Linda Esquivel, Alexander Koch as Junior Rennie and Dean Norris as James "Big Jim" Rennie in a scene from the episode "Heads Will Roll" in the Season 2 premiere of "Under the Dome" on Monday, June 30, 2014, on CBS.

Brownie Harris / CBS / AP

Mike Vogel as Dale "Barbie" Barbara, Natalie Martinez as Deputy Linda Esquivel, Alexander Koch as Junior Rennie and Dean Norris as James "Big Jim" Rennie in a scene from the episode "Heads Will Roll" in the Season 2 premiere of "Under the Dome" on Monday, June 30, 2014, on CBS.