The Other Darrin / PAW Patrol

Due to employing Children Voicing Children, PAW Patrol sees a lot of actor changes as previous ones age.

Original Canadian version

Season 2

• Drew Davis replaces Gage Munroe as the voice of Marshall.
• Max Calinescu replaces Tristan Samuel as the voice of Chase.
• Elijha Hammill replaces Owen Mason as the voice of Ryder^note mid-season, until "Pups Save A Stowaway".
• Stephany Seki replaces Hiromi Okuyama as the voice of Farmer Yumi.

Season 3

• Samuel Faraci replaces Stuart Ralston as the voice of Rocky.
• Jaxon Mercey replaces Elijha Hammill as the voice of Ryder^note late-season, until "Merpups Save the Turbots".
• Megan Fahlenbock replaces Julianna Paul as the voice of Ace Sorensen.

Season 4

• Carter Thorne (Emily Thorne's younger brother) replaces Emily as the voice of Zuma.

Season 5:

• Justin Kelly replaces Max Calinescu as the voice of Chase.
• Holly Gorski replaces Addison Holley (Kallan Holley, voice of Skye's older sister) as the voice of Julia Goodway.
• Wyatt White replaces Christian Distefano as the voice of Alex Porter^note mid-season.
• Jonathan Malen replaces Daniel DeSanto as the voice of Daring Danny X^note late-season, until "Pups Save an Extreme Lunch".
• Rosemary Dunsmore replaces Ellen-Ray Hennessy as the voice of Ms. Marjorie.

Season 6

• Lukas Engel replaces Drew Davis as the voice of Marshall.
• Keegan Hedley replaces Devan Cohen as the voice of Rubble.
• Lilly Bartlam replaces Kallan Holley as the voice of Skye.
• Shayle Simons replaces Carter Thorne as the voice of Zuma.
• Joey Nijem replaces Jaxon Mercey as the voice of Ryder^note beginning with "Mighty Pups, Super Paws: When Super Kitties Attack".

Season 7

• Kim Roberts replaced Deann Degruijter as the voice of Mayor Goodway. (due to the 2020 Black Lives Matter protests)
• Sage Arrindell replaces Holly Gorski as the voice of Julia Goodway. (Also due to the aforementioned protests)
• Joseph Motiki replaces James Rankin as the voice of Uncle Otis.
• Diego Rieger replaced Jaiden Cannatelli as the voice of Carlos.
• Jackson Reid replaces Samuel Faraci as the voice of Rocky^note  from "Pups Save Queen Cluck-Cluck".
• Beckett Hipkiss replaces Joey Nijem as the voice of Ryder^note  also from "Pups Save Queen Cluck-Cluck .

Season 8

• Mateo Carnovale replaces David Lopez as the voice of Tracker.
• Isis Moore replaces Megan Fahlenbock as the voice of Ace Sorensen.
• Christian Corrao replaces Kingsley Marshall as the voice of Marshall.

Season 9

• Jordan Mazeral replaces Shayle Simons as the voice of Zuma.
• Kai Harris replaces Beckett Hipkiss as the voice of Ryder^note  from "Mission PAW: Pups Save a Floating Royal Carriage"
• Lucas Miranda replaces Diego Rieger as the voice of Carlos.
• Liberty is voiced by Tymika Tafari instead of Marsai Martin, likely due to that the latter is a big celebrity and expensive to hire for a Canadian show.
• Levi Dombokah replaces Osias Reid as the voice of Dwayne.
• Hartley Bernier replaces Luxton Handspiker as the voice of Rex, likely due to the latter being too busy voicing Rubble in the show's spinoff show Rubble & Crew.

Season 10

• Etienne Kellici replaces Chance Hurstfield as the voice of Harold Humdinger.
• Nano, Mini and Tot are voiced by Eliot Dahan, Thandie Quiambao and Desmond Sivan instead of Alan Kim, North West and Brice Gonzalez, likely due to that the latter three are celebrities and expensive to hire for a Canadian show.

PAW Patrol: The Movie

• Iain Armitage replaces Justin Kelly as the voice of Chase. Though Kelly retains the role in the TV series since the former is a bigger celebrity and is more expensive to hire in an animated show.
• Will Brisbin replaces Beckett Hipkiss/Joey Nijem^note exactly which is unclear, as it is unknown which of these two actors was portraying Ryder when Brisbin was cast as the voice of Ryder.

PAW Patrol: The Mighty Movie

• Christian Convery replaces Iain Armitage as the voice of Chase.
• Mckenna Grace replaces Lilly Bartlam as the voice of Skye.
• Finn Lee-Epp replaces Will Brisbin as the voice of Ryder.
• Luxton Handspiker replaced Keegan Hedley as the voice of Rubble, who is currently voicing the character in Rubble & Crew.
• Nylan Parthipan replaces Shayle Simons as the voice of Zuma.

UK version

Season 2

• Solomon Brown replaces John Campbell as the voice of Ryder^note mid-season, starting with "Pups Save a Mer-Pup".
• Fin Harvey replaces Luca Townsend as the voice of Rubble.

Season 5

• Alfie Elliot replaces Noah Ashby as the voice of Marshall.
• Nye James replaces Hayden Hunter as the voice of Chase.

Season 6

• Lewis Crabb-LaHei replaces Solomon Brown as the voice of Ryder.
• Piers Gardner replaces Fin Harvey as the voice of Rubble.

Season 7

• Courage Clutterbuck replaces Eric O'Carroll as the voice of Rocky.

Season 8

• Ollie Evans replaces Samuel Woodward as the voice of Zuma.

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