There are few sights more imprinting than Alexander Skarsgård, nearly nude and with a silicone cap and cheek retractor, pouring himself feet-first into polychromatic sludge. He’s almost unrecognizable in his starkness, eyeballs positively juddering with fear as the room fills with liquid, all so he can elude capital punishment. As with fidelity and morals, the legalities within Brandon Cronenberg’s Infinity Pool are elastic.