Helluva Boss
Brandon RogersBlitzø (voice)
Richard Steven HorvitzMoxxie / Crimson (voice)
Vivian NixonMillie (voice)
Erica LindbeckLoona (voice)
Bryce PinkhamStolas (voice)
Don Darryl RiveraWally Wackford (voice), Cletus / Wally Wackford (voice), Wally Wackford / Additional Voices (voice), Mortimer (voice), Cletus (voice), Mister Butler / Additional Voices (voice), Arick 'Burnie' Burnz / Additional Voices (voice)
Edward BoscoPa (Joe) / Additional Voices (voice), Striker (voice), Drunk Dude (voice), Bouncer (voice), Additional Voices (voice), Joe (voice), Dennis / Additional Voices (voice)
Georgina LeahyStella (voice)
Lyle RathLifeguard Dude / Additional Voices (voice), Additional Voices (voice), Igor / The Patriot (voice), More Yelling Guards (voice), The Producer / Additional Voices (voice)
James Monroe IglehartAsmodeus 'Ozzie' (voice), Vortex (voice), Asmodeus 'Ozzie' / Additional Voices (voice), Vortex / Additional Voices (voice)
Vivienne MedranoAdditional Voices (voice), Keenie / Deerie (voice), Grocery Store Cashier (voice), Keenie (voice)
Jinkx MonsoonMartha / Additional Voices (voice), Vikki (voice), Waitress / Additional Voices (voice), Rita (voice), Party Girl / Additional Voices (voice), Martha (voice), Additional Voices (voice)
Monica FrancoSaggy Hellhound Lady / Additional Voices (voice), Yelling Guards (voice), Yelling Old Delores (voice), Additional Voices (voice), Counsellor Jimmy / Additional Voices (voice)
Alex BrightmanFizzarolli / Additional Voices (voice), Fizzarolli (voice)
Jayden LibranAdditional Voices (voice), Collin / Additional Voices (voice), Collin (voice)- JJason LaSheaAndrealphus (voice)
Barrett Wilbert WeedOctavia (voice)
Cristina ValenzuelaVerosika Mayday (voice)
Juliana SadaAdditional Voices (voice), Baby Octavia (voice), Children (voice), Baby Octavia / Additional Voices (voice)
Morgana IgnisAdditional Voices (voice), Sallie May / Additional Voices (voice), Sallie May (voice)
Jinhee JoungKaren Client (voice), Barbie Wire (voice)
Harvey GuillénVassago (voice)
Maxwell AtomsLoo Loo / Additional Voices (voice), Ralphie / Jarold / Additional Voices (voice), Additional Voices (voice)
Mara WilsonAdditional Voices (voice), Mrs. Mayberry (voice)
Dashiell McGaha-SchletterChildren (voice), Additional Voices (voice)- SSu Jan ChaseMa (Lin) / Additional Voices (voice), Lin (voice), Additional Voices (voice)
Abe GoldfarbLawyer / Additional Voices (voice), Elder Jaws the Priest / Additional Voices (voice), Better Than Blitzo Guy / Additional Voices (voice)
Michael CusackMammon (voice)
Jack PlotnickMusical Announcer (voice), Yogirt (voice)
Erica LuttrellAgent Two (voice)
KeshaQueen Bee-lzebub (voice)
Michael Romeo RuoccoAgent One (voice), Agent One / Additional Voices (voice)
Eric SchwartzChazwick Thurman (voice)
Joel PerezSitri (voice), Doc (voice)
Maria BamfordAdditional Voices (voice), Cassity (voice)
Joshua TomarAdditional Voices (voice), Alejandro (voice)
Faye MataGlitz / Glam (voice)
Zach HadelAdditional Voices (voice)
Patrick PageSatan (voice)- KKadyr GutierrezAdorable Intern / Fancy Guard (voice)
- MMichael RuoccoLyle Lipton (voice)
- CCourtney Raine TaylorOpera Singer (singing voice)
Norman ReedusStriker (voice)
Jonathan FreemanPaimon / Cash Buckzo (voice)
Leander LewisYoung Stolas (voice)
Mason BlombergYoung Blitzo (voice)
Remy EdgerlyYoung Fizzarolli / Additional Voices (voice)
Julián RebolledoAdditional Voices (voice)
John WatersRolando (voice)
Erika HenningsenBethany Ghostfucker (voice)
Ian HecoxHomie Joey (voice)
Anthony PadillaJordie (voice)
Tobin BellWinston Wackford (voice)- CCaroline InnerbichlerWendy Wackford (voice)
- TTodor ManojlovicDarcy (voice)
Paulette JonesJudge Jiner (voice)
Roland RusinekAdditional Voices (voice)