Cast of Leo

24 credited, in billing order.

Adam Sandleras Leo (voice)

Bill Burras Squirtle (voice)

Cecily Strongas Mrs. Malkin (voice)

Jason Alexanderas Jayda's Dad (voice)

Rob Schneideras Principal (voice)

Allison Strongas Mrs. Salinas (voice)

Jo Koyas Coach Kimura (voice)

Sadie Sandleras Jayda (voice)

Sunny Sandleras Summer (voice)

Coulter Ibanez

Coulter Ibanezas Zane (voice)

Bryant Tardyas Cole #1 Low Voice (voice)

Corey J

Corey Jas Cole #1 High Voice (voice)

Ethan Smigel

Ethan Smigelas Anthony (voice)

TienYa Safko

TienYa Safkoas Skyler (voice)

Gloria Manningas Logan (voice)

Carson Minniearas Cole #2 (voice)

Roey Smigel

Roey Smigelas Eli / Benji (voice)

Reese Lores

Reese Loresas Mia (voice)

Benjamin Bottanias Kabir (voice)

Aldan Liam Philipson

Aldan Liam Philipsonas TJ (voice)

Jackie Sandleras Jayda’s Mom (voice)

Heidi Gardneras Eli’s Mom (voice)

Robert Smigelas Miniature Horse / Drone / Old Lizard #1 / Old Lizard #3 (voice)

Nick Swardsonas Cinnabun (voice)

Crew

David WachtenheimDirectorRobert MarianettiDirectorRobert SmigelWriter · DirectorAdam SandlerProducer · WriterPaul SadoWriter · Executive ProducerAllen CovertExecutive ProducerBBarry BernardiExecutive ProducerMireille SoriaProducerGeoff ZanelliOriginal Music ComposerJJoseph TitoneEditorPPatrick VoetbergEditor