Ace Ventura Jr: Pet Detective

Ann Cusack

Melissa Ventura

Ralph Waite

Grandpa Ventura

Josh Flitter

Ace Ventura Jr.

Jessica Blackmore

Assistant with White Horse

Jessica Blackmore

Assistant with White Horse (uncredited)

Cullen Douglas

Dr. Sickinger

Aubrey Shea

Daniella

Reed Alexander

Quenton Pennington, Jr.

Art LaFleur

Russell Hollander

Jennifer Badger

Security Team Leader (uncredited)

Jim R. Coleman

Judge (as Jim Coleman)

William Haze

Magician

Austin Rogers

A Plus

Emma Lockhart

Laura

Tom Hillmann

Trooper

Veryl Jones

Museum Security Guard

Brian Patrick Clarke

Pennington Sr.

Carina Conti

Tara

N/A

Connor Boyle

Overwhelmed Kid

N/A

Haley Sehgal

Party Kid #2 (as Haley Boyle)

Jeff Chase

Pennington Bodyguard

N/A

Jeff Farley

Tabby's Security Officer

John Connon

Tour Guide

N/A

Karl Anthony

Laura's Dad (uncredited)

N/A

Lisa Glaze

Teacher

N/A

Sam Bauso

FBI Agent (uncredited)

N/A

Shane Costa

Pennington Jr. Bodyguard

Trevin Lica

Bully