Adam Sandler as Leo (voice)

Bill Burr as Squirtle (voice)

Cecily Strong as Mrs. Malkin (voice)

Jason Alexander as Jayda's Dad (voice)

Rob Schneider as Principal (voice)

Allison Strong as Mrs. Salinas (voice)

Jo Koy as Coach Kimura (voice)

Sadie Sandler as Jayda (voice)

Sunny Sandler as Summer (voice)

Coulter Ibanez as Zane (voice)

Bryant Tardy as Cole #1 Low Voice (voice)

Corey J as Cole #1 High Voice (voice)

Ethan Smigel as Anthony (voice)

TienYa Safko as Skyler (voice)

Gloria Manning as Logan (voice)

Carson Minniear as Cole #2 (voice)

Roey Smigel as Eli / Benji (voice)

Reese Lores as Mia (voice)

Benjamin Bottani as Kabir (voice)

Aldan Liam Philipson as TJ (voice)

Jackie Sandler as Jayda’s Mom (voice)

Heidi Gardner as Eli’s Mom (voice)

Robert Smigel as Miniature Horse / Drone / Old Lizards #1 & #3 (voice)

Nick Swardson as Cinnabun (voice)

Lileina Joy as Hamster Kids #1 & #3 / Featured Vocals (voice)

Elijah Kim as Featured Vocals (voice)

Stephanie Hsu as Skyler's Mom (voice)

Ryun Yu as Skyler's Dad (voice)

Nicholas Turturro as Anthony's Dad (voice)

Rebecca Vigil as Anthony's Mom (voice)

Janie Haddad Tompkins as Summer's Mom (voice)

Chris Titone as Summer's Dad / Alligator #2 / Stopwatch #1 (voice)

Paul Brittain as Eli's Dad / Stopwatches #2 & #3 (voice)

Tiffany Topol as Cole #2's Mom / Zane's Mom (voice)

Dan Reitz as Cole #2's Dad (voice)

Sunita Param as Kabir's Mom (voice)

Sonya Leslie as Logan's Mom (voice)

Germar Terrell Gardner as Logan's Dad (voice)

Rose Abdoo as Mia's Mom / TJ's Mom (voice)

Alex Quijano as Mia's Dad (voice)

Christian Capozzoli as TJ's Dad (voice)

Sheila Carrasco as Mrs. Wingo (voice)

Doug Dale as Bubble Guy / Goldfish / Possum (voice)

David Wachtenheim as Old Lizard #2 / Frog / Taunting Firefly (voice)

Robert Marianetti as Flamingo #1 (voice)

Chris Kattan as Alligator #1 (voice)

Nora Wyman as Amazon Echo (voice)

Jonathan Loughran as Animal Handler (voice)

Blake Clark as Golfer #1 (voice)

Joel Marsh Garland as Camel / Golfer #2 (voice)

John Farley as Golfer #3 (voice)

Noah Robbins as Waiter / Kiosk Attendant (voice)

Frankie Figliozzi as Kayla (voice)

Kyra Wachtenheim as Torture Montage Kid / Benji (voice)

Aliza Pelavin as Mouse / Hamster Kid #2 (voice)

Katie Hartman as Road Rage Driver (voice)

Jonny Solomon as Snake (voice)

Ava Acres as Additional Voices (voice)

Ryan Bartley as Additional Voices (voice)

Ranjani Brow as Additional Voices (voice)

Nikki Castillo as Additional Voices (voice)

Mary Deaton as Additional Voices (voice)

Chase Fein as Additional Voices (voice)

Giselle Fernández as Additional Voices (voice)

Jason Griffith as Additional Voices (voice)

Ashley Lambert as Additional Voices (voice)

Terence Mathews as Additional Voices (voice)

Scott Menville as Additional Voices (voice)

David Michie as Additional Voices (voice)

Andrew Morgado as Additional Voices (voice)

Andre Robinson as Additional Voices (voice)

Warren Sroka as Additional Voices (voice)

Kelly Stables as Additional Voices (voice)

Jaquita Ta'le as Additional Voices (voice)

Shelby Young as Additional Voices (voice)