Guest Stars
![Violet Harper / Halo](https://static.tvmaze.com/uploads/images/medium_portrait/179/449686.jpg)
Zehra Fazal
voices Violet Harper / Halo![Forager / Fred Bugg](https://static.tvmaze.com/uploads/images/medium_portrait/179/449722.jpg)
Jason Spisak
voices Forager / Fred Bugg![Lex Luthor](https://static.tvmaze.com/uploads/images/medium_portrait/179/449466.jpg)
Mark Rolston
voices Lex Luthor![Tara Markov / Terra](https://static.tvmaze.com/uploads/images/medium_portrait/207/517821.jpg)
Tara Strong
voices Tara Markov / Terra![Gregor Markov](https://static.tvmaze.com/uploads/images/medium_portrait/179/449430.jpg)
Crispin Freeman
voices Gregor Markov![Zatanna Zatara](https://static.tvmaze.com/uploads/images/medium_portrait/205/514287.jpg)
Lacey Chabert
voices Zatanna Zatara![Lian Nguyen-Harper](https://static.tvmaze.com/uploads/images/medium_portrait/204/510272.jpg)
Zehra Fazal
voices Lian Nguyen-Harper![Guardian](https://static.tvmaze.com/uploads/images/medium_portrait/179/449692.jpg)
Crispin Freeman
voices Guardian![Dubbilex](https://static.tvmaze.com/uploads/images/medium_portrait/209/523902.jpg)
Phil LaMarr
voices Dubbilex![Metron](https://static.tvmaze.com/uploads/images/medium_portrait/207/517825.jpg)
Phil LaMarr
voices Metron![Tod Donner](https://static.tvmaze.com/uploads/images/medium_portrait/209/523901.jpg)