These violent delights have violent ends -- and for actor Louis Herthum, a delightful end, too.

HBO's sci-fi drama "Westworld" has promoted Herthum to a series regular for Season 2. Herthum plays Peter Abernathy, an android host who initially served as father to Dolores (Evan Rachel Wood).

Herthum is the second cast member to get upped from a recurring guest star to a series regular for Season 2, joining Talulah Riley, who plays a host named Angela.

In the very first episode of "Westworld," Herthum's Abernathy suffers from a glitch, is decommissioned, and sent to cold storage -- until Charlotte (Tessa Thompson) uses him as a means of smuggling out proprietary programming out of the park. But the audience never sees whether Abernathy actually left the park or not. If Charlotte's plan succeeded, though, Abernathy could provide the first glimpse at the world beyond the Westword park.

"Westworld" Season 2 is expected to premiere sometime in 2018.

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