Barney Pudowski

Jack Dylan Grazer

Voice

Christos Thanos

Ron

Zach Galifianakis

Voice

Peggy Manolas

Voice

Vangelis Kazlaris

Barney's Dad

Ed Helms

Donka

Olivia Colman

Voice

Radu Pouianou

Marc

Justice Smith

Voice

Efi Thanopoulou

Andrew Morris

Rob Delaney

Savannah (voice)

Kylie Cantrall

Voice

Theodoris Smeres

Rich Belcher

Ricardo Hurtado

Stanley Tubman

Marcus Scribner

Noah (voice)

Cullen McCarthy

Ava (voice)

Ava Morse

Jayden (voice)

Thomas Barbusca

Ms. Hartley (voice)

Ruby Wax

Bree

Sarah Miller

Sita (voice)

Krupa Pattani

Cop

Bentley Kalu

Bubble Techs (voice)

John MacMillan

Miss Thomas (voice)

Megan Maczko

Bubble Techs (voice)

John Macmillan

Shayne The Biker / Mr. Cleaver (voice)

David Menkin

Additional Voices (voice)

Tristan Allerick Chen

Additional Voices (voice)

Jadon Sand

Ellie

Iara Nemirovsky

Additional Voices (voice)

Octavio E. Rodriguez

Additional Voice

Liam Payne

Arnold Armasaa

Additional Voices (voice)

Flula Borg

David Burrows

Additional Voice

Chelsea Devantez

Danny Carmel

Additional Voices (voice)

Phil LaMarr

Additional Voice

Audrey Hsieh

Additional Voice

Youssef Kerkour

Additional Voice

Iain McKee

Additional Voice

Andre Robinson

Matt Pomeroy

Julie Rogers

Brooke Singleton

Sarah Smith

Ursula Taherian

Adam Tandy

Jean-Philippe Vine

ViviAnn Yee