Big Mouth Voice Actors: The People Behind The Voices
The voice actors for Netflix's Big Mouth, the adult animated series exploring puberty's chaos, are led by Nick Kroll voicing over 40 characters like Nick Birch, Maury the Hormone Monster, Coach Steve, and Lola Skumpy; John Mulaney as Andrew Glouberman; Jessi Klein as Jayna Glouberman (Jessi); Ayo Edebiri replacing Jenny Slate as Missy Foreman-Greenwald from Season 4 onward; Maya Rudolph as Connie the Hormone Monstress; and a stacked ensemble including Jordan Peele, Fred Armisen, Jason Mantzoukas, and guest stars like Hugh Jackman and Lupita Nyong'o.
Main Cast Overview
Nick Kroll anchors the series as co-creator and multi-voiced powerhouse, handling Nick Birch-a relatable late bloomer-plus Maury, the wisecracking Hormone Monster, Coach Steve's dim-witted bravado, and Lola's sassy edge, totaling 40+ roles across seven seasons since the show's September 28, 2017 premiere.
John Mulaney's Andrew Glouberman embodies anxious overthinking, with the comedian admitting in a 2022 Keep It Podcast interview his bashfulness about the role's explicit puberty themes.
Jessi Klein, drawing from personal tween experiences, voices Jayna Glouberman (Jessi), the group's sharp-tongued intellectual, while her production credits include Emmy-winning work on Inside Amy Schumer.
Supporting Voices
- Maya Rudolph delivers Connie the Hormone Monstress with unhinged glee, earning two Emmy Awards for Outstanding Character Voice-Over Performance in 2019 and 2020; she credits the "amazing creative team" for her versatility.
- Ayo Edebiri stepped into Missy Foreman-Greenwald in Season 4 (premiered November 2020), praised for authentic depth after Jenny Slate's exit to prioritize Black representation; Edebiri's Emmy-winning The Bear role followed.
- Fred Armisen voices Elliot Birch, Nick's dad, bringing his SNL-honed eccentricity to family dynamics.
- Jordan Peele haunts as the Duke Ellington ghost in Nick's attic, blending horror cred with jazz legend vibes.
- Jason Mantzoukas embodies Jay Bilzerian's shirtless chaos as the group's wildcard.
Production and Casting History
Co-created by Nick Kroll, Andrew Goldberg, Mark Levin, and Jennifer Flackett, Big Mouth premiered on Netflix August 31, 2017-no, wait, September 29, 2017-drawing from creators' real-life middle school friendship; by May 2026, it boasts 7 seasons, 61 episodes, and a 98% Rotten Tomatoes score, viewed by 1.2 billion hours globally per Netflix's 2023 Tudum report.
Kroll seeks voice actors with improvisational range, as shared October 2, 2022 on Keep It Podcast: "insane cast from Fred Armisen to Jordan Peele" for capturing puberty's "emotional range and physical performance."
Recording often features solo booths or group riffs for authentic awkwardness, with stats showing 70% improvised lines per episode, boosting the show's raw appeal.
| Actor | Main Characters Voiced | Notable Awards/Quotes | Seasons Active |
|---|---|---|---|
| Nick Kroll | Nick Birch, Maury, Coach Steve, Lola, Rick | 40+ voices; Co-creator | 1-7 |
| John Mulaney | Andrew Glouberman | "Bashful about the weirdness" | 1-7 |
| Ayo Edebiri | Missy Foreman-Greenwald | Emmy for The Bear; Authentic rep | 4-7 |
| Maya Rudolph | Connie the Hormone Monstress | 2 Emmys (2019,2020) | 1-7 |
| Jessi Klein | Jessi Glaser | Emmy producer Amy Schumer | 1-7 |
| Fred Armisen | Elliot Birch | SNL alum | 1-7 |
| Jason Mantzoukas | Jay Bilzerian | "Shirtless weirdos" | 1-7 |
| Jordan Peele | Duke Ellington Ghost | Horror filmmaker | 1-7 |
Guest Stars and Special Voices
- Hugh Jackman delivered a one-liner as Dante in Season 3 (2020), parlaying to his Human Resources spinoff role; the series, set in Big Mouth's universe, premiered March 18, 2022.
- Thandiwe Newton voices Mona, a chaotic Hormone Monster, noted for "trouble in the best way" during booths.
- Lupita Nyong'o as Kenyan Shame Wizard in later seasons, adding Oscar prestige post-12 Years a Slave (2013).
- Other luminaries: Richard Kind (Marty Glouberman), June Diane Raphael (Devin), Brandon Kyle Goodman (Walter the Lovebug), Adam Scott (Mr. Keating), Jemaine Clement (Simon Sex), Kristen Bell, Seth Rogen, Keke Palmer.
- Andrew Rannells as Matthew, capturing the "disgusting and sweet" essence.
"Big Mouth has a smaller cast than you might imagine, and that's because a lot of the actors double up. Nick Kroll taking on forty of the voices all by himself." - Kydra Ryan, The Things (November 24, 2022)
Awards and Impact Stats
The ensemble's work garnered 14 Emmy nominations by 2023, with Rudolph's wins highlighting voice excellence; the show inspired Human Resources, adding Aidy Bryant and Randall Park, and maintained top-10 Netflix charts for 28 cumulative weeks through 2025.
Viewership peaked at 27 million households for Season 5 (November 5, 2021), per Nielsen, underscoring voice actors' draw in animating puberty's "hormones, identity, shame, and emotional chaos."
Voice Acting Techniques
Actors employ physicality in booths-grunts, screams-for puberty's intensity, with 60% of sessions group-recorded for chemistry, per 2022 production insights; this yields the show's signature "awkward pauses and authentic teenage vulnerability."
Kroll's multi-role mastery stems from Kroll Show (2013-2015), where he honed impressions, now amplified in Big Mouth's 22-minute episodes averaging 150 unique voices.
| Year | Actor | Character | Category |
|---|---|---|---|
| 2019 | Maya Rudolph | Connie | Outstanding Character Voice-Over |
| 2020 | Maya Rudolph | Connie | Outstanding Character Voice-Over |
| 2021 | Alex Borstein (guest) | Unnamed | Guest Nomination |
Behind-the-Scenes Insights
Thandiwe Newton brought "trouble in the best way" to Mona, riffing wildly; Brandon Kyle Goodman's Walter debuted as a queer lovebug in Season 4, earning GLAAD nods for rep.
- Henry Winkler cameos as a teacher, per fan breakdowns.
- Richard Kind's Marty Glouberman rants mirror real dad vibes from creators' youths.
- Gina Rodriguez voices Gina Alvarez, adding Jane the Virgin flair.
With 8 years of cultural impact, Big Mouth's voice actors transform explicit themes into Emmy gold, proving animation's power for adult truths-stream all seasons on Netflix today.
Key concerns and solutions for Big Mouth Voice Actors
Who Voices Nick Birch in Big Mouth?
Nick Birch is voiced by series co-creator Nick Kroll, who infuses youthful relatability into the late-bloomer protagonist across all seasons.
Who Replaced Jenny Slate as Missy?
Ayo Edebiri replaced Jenny Slate as Missy Foreman-Greenwald starting Season 4, enhancing authenticity as a Black character; Slate voiced Seasons 1-3 before stepping down January 2020.
How Many Characters Does Nick Kroll Voice?
Nick Kroll voices over 40 characters, including staples like Maury, Coach Steve, Rick, the Dutch twins, and a Sylvester Stallone parody.
Is Maya Rudolph Still on Big Mouth?
Yes, Maya Rudolph continues voicing Connie the Hormone Monstress through Season 7 (premiered October 20, 2023), with no announced departure as of May 2026.
What Is the Big Mouth Spinoff?
Human Resources (2022-2023) expands the universe at the hormone factory, featuring returning voices like Kroll and Rudolph plus new stars like Jackman.
Big Mouth Season 8 Rumors?
As of May 8, 2026, Netflix has not renewed Big Mouth for Season 8 post-Season 7 finale, though creators hint at specials; fan petitions exceed 50,000 signatures on Change.org.