Cricket Green (voice)

Chris Houghton

Tilly Green (voice)

Marieve Herington

Bill Green (voice)

Bob Joles

Alice 'Gramma' Green (voice)

Artemis Pebdani

Dr. Heinz Doofenshmirtz (voice) / Dr. Heinz Doofensmhirtz (voice) / Alien (voice)

Dan Povenmire

Molly McGee (voice)

Ashly Burch

Scratch (voice)

Dana Snyder

Scott Denoga (voice)

Manny Jacinto

Hop Pop (voice)

Bill Farmer

Sprig (voice)

Justin Felbinger

Anne (voice)

Brenda Song

Gloria (voice) / Sasha (voice)

Anna Akana

Remy (voice)

Zeno Robinson

Hailey Banks (voice)

Auliʻi Cravalho

Beta (voice)

Gary Anthony Williams

Kiff Chatterley (voice)

Kimiko Glenn

Helen (voice)

Lucy Heavens

Milo Murphy (voice)

'Weird Al' Yankovic

Launchpad McQuack (voice)

Beck Bennett

Flintheart Glomgold (voice)

Keith Ferguson

Rapunzel (voice)

Mandy Moore

Shorty (voice)

Paul F. Tompkins

Polly (voice)

Amanda Leighton

Marcy (voice)

Haley Tju

Self

Meg Donnelly

Self

Milo Manheim

Kevin (voice)

Michael Cimino

Singer (voice)

Danny Jacob

Gretel (voice)

Meli Povenmire

Libby Stein-Torres (voice)

Lara Jill Miller

Viper Fang (voice)

Joe Manganiello

Vasquez (voice)

Danny Trejo

Darryl McGee (voice)

Michaela Dietz

Oscar Proud (voice)

Tommy Davidson

LaCienega (voice)

Alisa Reyes

Barry Buns (voice)

H. Michael Croner

Candle Fox (voice)

Vella Lovell

Principal Secretary (voice)

Nic Smal

Devil Dinosaur (voice)

Fred Tatasciore

Moon Girl / Lunella (voice)

Diamond White

Andrea Davenport (voice)

Jules Medcraft