Suggestions by @wolfit

George MacKay

as The Scout in Team Fortress 2

Matt Stone

as Director in South Park: Post Covid: The Return of Covid

Trey Parker

as Director in South Park: Post Covid: The Return of Covid

Patton Oswalt

as Clyde Donovan in South Park: Post Covid: The Return of Covid

Allen Covert

as Clyde Donovan in South Park: Post Covid: The Return of Covid

Jesse James Keitel

as Wendy Testaburger in South Park: Post Covid: The Return of Covid

Cailee Spaeny

as Alexa in South Park: Post Covid: The Return of Covid

Jeff Bridges

as Kenny McCormick in South Park: Post Covid: The Return of Covid

Rupert Everett

as Jimmy Valmer in South Park: Post Covid: The Return of Covid

Ryan O'Neal

as Scott Malkinson in South Park: Post Covid: The Return of Covid

Steve Newburn

as Choreographer in South Park: Post Covid: The Return of Covid

David Hornsby

as Leopald "Butters" Stotch in South Park: Post Covid: The Return of Covid

Mike Starr

as Craig Tucker in South Park: Post Covid: The Return of Covid

Kevin McKidd

as Tweek Tweak in South Park: Post Covid: The Return of Covid

Denzel Washington

as Tolkien Black in South Park: Post Covid: The Return of Covid

Keith David

as Tolkien Black in South Park: Post Covid: The Return of Covid

Wayne Knight

as Eric Cartman in South Park: Post Covid: The Return of Covid

Trey Parker

as Stan Marsh in South Park: Post Covid: The Return of Covid

Matt Stone

as Kyle Broflovski in South Park: Post Covid: The Return of Covid

Domhnall Gleeson

as Kyle Broflovski in South Park: Post Covid: The Return of Covid