'Weird Al' Yankovic

Milo Murphy (voice)

Sabrina Carpenter

Melissa (voice)

Mekai Curtis

Zack Underwood (voice)

Dan Povenmire

Additional Voices (voice)

Jeff 'Swampy' Marsh

Additional Voices (voice)

Dee Bradley Baker

Diogee (voice)

Mitchel Musso

Wally (voice)

Joel McHale

Victor (voice)

Barry Bostwick

Clyde (voice)

Jack McBrayer

Ship Captain (voice)

Ariel Winter

Jackie (voice)

Thomas Lennon

Henry (voice)

Danica McKellar

Veronica (voice)

Leah Remini

Ms. Baxter (voice)

Slash

(voice)

Rhys Darby

King Pistashion (voice)

Landry Bender

Wendy (voice)

Maulik Pancholy

Baljeet (voice)

Ming-Na Wen

Savannah (voice)

Brett Dalton

Brick (voice)

Rob Morrow

Mr. Brulee (voice)

Wayne Brady

Eugene (voice)

Alyson Stoner

Kris (voice)

Ashley French

Candace (voice)

Vincent Martella

Phineas (voice)

David Errigo Jr.

Ferb (voice)

Bobby Gaylor

Buford (voice)

Hal Sparks

Chaffe (voice)

John Ross Bowie

Loab (voice)

Cedric Yarbrough

Khone (voice)

Laraine Newman

Ms. White / Eunice (voice)

Rusty Wallace

Self (voice)

Mike Joy

Self (voice)

Ty Dillon

Self (voice)

Ricky Stenhouse Jr.

Self (voice)

Diedrich Bader

Martin Murphy / Additional Voices (voice)

Joey Logano

Self (voice)

Erik Jones

Self (voice)

William Byron

Self (voice)

Marcus J. Paige

Zack (singing voice, uncredited)

Christian Slater

Elliot (voice)

Kate Micucci

Sara / Additional Voices (voice)

Phil LaMarr

Marcus Underwood (voice)

Greg Cipes

Mort / Additional Voices (voice)

Sam Lavagnino

Additional Voices (voice)

Lyons Mathias

Additional Voices (voice)

Oliver Chris

Additional Voices (voice)

Michael Hirano Culross

Additional Voices (voice)

Scott Petersen

Additional Voices (voice)

Hudson D'Andrea

Additional Voices (voice)

Django Marsh

Additional Voices (voice)

Adrian Pasdar

Additional voices