Ptolemy currently plays Sylvester on HBO's "Westworld" and Tibor on ABC's "Inhumans."  Other credits include "The Wire"  "Adam Ruins Everything," "Looking," "How I Met Your Mother," "Veep," "Nurse Jackie," "The Sopranos," and "Wonder Showzen."  In addition to acting, Ptolemy performs comedy all over LA, teaches at the Nerdist School, and is a founder of legendary improv group Neutrino.