Rounding out the impressive cast are Shea Whigam and Bill Camp as GCPD detectives Burke and
Garrity; Glenn Fleshler as Randall and Leigh Gill as Gary, Arthur’s fellow clowns at Ha-Ha’s, where Josh Pais
plays his boss, Hoyt Vaughn; Brian Tyree Henry as Arkham Clerk Carl; and Marc Maron as The Murray
Franklin Show producer, Gene Ufland. Real-life comics Gary Gulman and Sam Morril appear as stand-ups
in scenes at a comedy club.