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In Westworld‘s return to HBO, the show continues at the mind-bending, neck-breaking pace to keep fans guessing, with the second episode “Reunion” packing in many surprises.

But one of the most shocking moments came with the appearance of an actor, a surprising addition that no one expected to appear on the sci-fi western mashup.

Warning: Spoilers for Westworld Season 2 below!

The Man in Black (Ed Harris) found a familiar ally in Lawrence (Clifton Collins Jr.) during his quest to find “The Door,” a new game set up by the deceased Robert Ford. THe two decided to pay a visit to a character that Lawrence’s host body used to portray, the dangerous outlaw known as El Lazo.

But it’s who plays El Lazo that’s surprising, as Giancarlo Esposito joins the cast of Westworld for a guest spot.

Ssposito is probably best known for playing the villainous drug kingpin (and proprietor of Los Pollos Hermanos) Gus Fring in