(credited as "high-pitch Dale"), reprising his role from the original series. Juliet Donenfeld voices Dale as a child during the film's prologue. KiKi Layne as Ellie Steckler, a rookie LAPD officer and lifelong fangirl of the Rescue Rangers. Will Arnett as Sweet Pete, the toon actor who played Peter Pan, being now a middle aged man, with a Bobby Cannavale-esque voice, who founded the Valley Gang after being fired due to his age. Archival recordings of Betty Lou Gerson as Cruella de Vil were used for the chimeric Sweet Pete's laughter. Eric Bana as Monterey Jack, a cheese-loving Australian mouse and a member of the Rescue Rangers. The character was originally voiced by Peter Cullen and Jim Cummings in the original series. Flula Borg as DJ Herzogenaurach, a snake DJ who is a fan of Chip and Dale. Dennis Haysbert as Zipper, a housefly and member of the Rescue Rangers. He and Gadget eventually got married and had children after the show's cancellation while also speaking English. Corey Burton also provides Zipper's unintelligible buzzing sounds from the original series. Keegan-Michael Key as Bjornson the Cheesemonger, a Swedish Chef-esque cheesemonger and member of the Valley Gang. Key also voices a frog co-worker of Chip. Tress MacNeille as Gadget Hackwrench, an inventive mouse and member of the Rescue Rangers. She and Zipper eventually got married and had kids after the show's cancellation. MacNeille reprises her role from the original series. Tim Robinson as Ugly Sonic, a version of Sonic the Hedgehog who appears in his scrapped original design from the 2020 feature film adaptation. Seth Rogen as Bob, a motion capture Viking dwarf member of the Valley Gang. Bob is loosely based on the motion capture characters of various motion-capture films such as The Polar Express and Beowulf. Rogen also reprises his voice roles of Pumbaa from the 2019 version of The Lion King, Master Mantis from the Kung Fu Panda franchise, and B.O.B. from Monsters vs. Aliens. J. K. Simmons as Captain S. Putty, a Gumby-esque claymation police captain who is investigating the missing toon cases, but is later revealed to be part of the Valley Gang. Additionally, Da'Vone McDonald voices Jimmy, a CGI polar bear member of the Valley Gang. Director Akiva Schaffer alluded Jimmy's appearance to the Coca-Cola polar bear. Schaffer provides voices for numerous minor roles including E.T. and Mr. Natural while also appearing in live-action as the