Ron's Gone Wrong

Zach Galifianakis

Ron (voice)

Jack Dylan Grazer

Barney (voice)

Ed Helms

Graham (voice)

Olivia Colman

Donka (voice)

Justice Smith

Marc (voice)

Rob Delaney

Andrew (voice)

Kylie Cantrall

Savannah (voice)

Ricardo Hurtado

Rich (voice)

Marcus Scribner

Alex (voice)

Thomas Barbusca

Jayden (voice)

Ruby Wax

Ms. Hartley (voice)

Ava Morse

Ava (voice)

Krupa Pattani

Sita (voice)

John Macmillan

Bubble Techs (voice)

Megan Maczko

Miss Thomas (voice)

David Menkin

Shayne The Biker / Mr. Cleaver (voice)

Tristan Allerick Chen

Additional Voices (voice)

Jadon Sand

Additional Voices (voice)

Octavio E. Rodriguez

Additional Voices (voice)

Cullen McCarthy

Noah (voice)

Flula Borg

Additional Voices (voice)

Phil LaMarr

Additional Voices (voice)