Josh Flitter 
 as Ace Ventura, Jr.

Emma Lockhart 
 as Laura Wilson

Ann Cusack 
 as Melissa Ventura

Cullen Douglas 
 as Dr. Sickinger

Art LaFleur 
 as Russell Hollander

Austin Rogers 
 as A Plus

Reed Alexander 
 as Quenton Pennington, Jr.

Carina Conti 
 as Tara

Ralph Waite 
 as Grandpa Ventura

Ashley Milchman 
 as Emo Kid #1

Brooke Milchman 
 as Emo Kid #2

Aubrey Shea 
 as Daniella

Morgan Curschman 
 as Girl Swimmer #1

Paige Huston 
 as Girl Swimmer #2

Lisa Glaze 
 as Teacher

Kendall Ganey 
 as Little Girl at Spelling Bee

Tom Hillmann 
 as Trooper

Trevin Lica 
 as Bully

Jabari Ty'ree Shaffer 
 as Boy

Jeff Chase 
 as Pennington's Bodyguard

John Connon 
 as Tour Guide

Veryl Jones 
 as Museum Security Guard

Phil Ramirez 
 as Prosecutor

Jim R. Coleman 
 as Judge

Karel Wright 
 as Tabby's Handler

Jeff Farley 
 as Tabby's Security Officer

William Haze 
 as Magician

Terry Loughlin 
 as Horse Owner

Patrick Hoover 
 as Party Kid #1

Haley Sehgal 
 as Party Kid #2 (as Haley Boyle)

Connor Boyle 
 as Overwhelmed Kid

Brian Patrick Clarke 
 as Quenton Pennington Sr.

Adam Vernier 
 as Agent #1

Tom Brooks 
 as Agent #2

Shane Costa 
 as Pennington's Bodyguard

Cristina Huang 
 as Park Guest

Dakota Marooney 
 as Kid at Party

Brandon Migliore 
 as Crash Car Driver

Rhiannon Roberts 
 as Park Guest

Chris Adler 
 as Pennington's Bodyguard (uncredited)

Robie Alan 
 as Special Government Agent (uncredited)

Christian Andreas 
 as Guard in Dinosaur Chase (uncredited)

Karl Anthony 
 as Laura's Dad (uncredited)

Jennifer Badger 
 as Security Team Leader (uncredited)

Sam Bauso 
 as FBI Agent (uncredited)

Jessica Blackmore 
 as Assistant with White Horse (uncredited)

Ophelia Boxley 
 as Pedestrian (uncredited)

Lisa Buckley 
 as Miss Foster - Ox's Pet Store Clerk (uncredited)

Aaron Campbell 
 as Agent (uncredited)

Chase "Uzzle" Carter 
 as FBI Agent (uncredited)

Whitney Costner 
 as Witness (uncredited)

Omar Elkalyoubie 
 as Chinese Dignitary (uncredited)

Bayley Ellenburg 
 as Witness (uncredited)

Jeff Ellenburg 
 as Witness (uncredited)

Emily Rose Everhard 
 as Additional Voices (voice) (uncredited)

Macaila Fernandes 
 as Marina's Friend (uncredited)

Ciara Gari 
 as Student (uncredited)

Wael Georgey 
 as FBI Agent (uncredited)

Jen Halbert 
 as Tabby's Entourage (uncredited)

Kelsie Erin Howell 
 as Party Kid (uncredited)

Annie Kidwell 
 as County Prisoner (uncredited)

Ariana Kollman 
 as Spelling Bee Girl (uncredited)

Jesse Kozel 
 as Neighbor (uncredited)

Noah Kronenberger 
 as Park Guest (uncredited)

Jennifer Lonardo 
 as Teacher (uncredited)

Sam Lonigro 
 as Girls Swim Team Member (uncredited)

Leslie Maine 
 as FBI Agent (uncredited)

Amari Marshall 
 as Student (uncredited)

Tiffany Marshall 
 as Crash Driver / Cafeteria Worker (uncredited)

Angel McBride 
 as iPod Girl - Tara's Friend (uncredited)

Celestial McBride 
 as Spelling Bee Contestant - Marina's Friend (uncredited)

Melody McCraney 
 as Teacher (uncredited)

Nicole Mills 
 as Miss Letterblair - Ox's Dog Collar Saleslady (uncredited)

Freddie Forward Mitchell 
 as Magic Show Stage Hand (uncredited)

Jennifer Paige Moralez 
 as Student / Party Dancer (uncredited)

Tom Myers 
 as Security Guard (uncredited)

Katarina Noel 
 as Student - Talent Show (uncredited)

Headley Oliver III 
 as Park Guest / Party Dancer (uncredited)

Jeremy Palko 
 as CSI Agent (uncredited)

Jason Nathaniel Powers 
 as Park Guest (uncredited)

Summer Raine 
 as Car Driver / Pedestrian / Neighbor / Prisoner (uncredited)

Michael M. Rummel 
 as Basketball / Wrestling Referee (uncredited)

Noah Schnacky 
 as Swim Team Boy (uncredited)

David W. Scott 
 as Pennington's Bodyguard (uncredited)

AJ Semiday 
 as Teacher (uncredited)

Adonis Stevens 
 as DJ the Security Guard (uncredited)

Andy Ussach 
 as Pennington's Butler (uncredited)

Nelitza Vallellanes 
 as Teacher (uncredited)

Trevis Waters 
 as Courtroom Attendant (uncredited)

Steve Wickersham 
 as Gatorland Patron (uncredited)

Elizabeth Rose Young 
 as Park Guest (uncredited)

Kevin B. Young 
 as Man on the street (uncredited)

Justin Brown 
 as Churro Guy (uncredited)