Jonah Hauer-King

as Mark Vonnegut

as Edward Carnifex

as Lieutenant Commander Robert Reeves

as Connor

as Milo Griffin

as Conrad Clark

as Self

as Rudenz

as Sebastian Snail Jr.

as Giacomo Casanova

as Conrad Clark (3 episodes)

as Self (1 episode)

as Self

as Lali Sokolov (Young) (6 episodes)

as Eric

as Mo (6 episodes)

as Christian Dedea

as Dovidl 17-23

as Max Mallowan

as Harry Chase (13 episodes)

as Lucas

as David

as Andrius Aras

as Winchester

as Laurie Laurence (3 episodes)