Suggestions by @jameswillis1

Quinton Flynn

as Vinnie Terrio in Littlest Pet Shop (American Cast)

Jess Harnell

as Sunil Nevla in Littlest Pet Shop (American Cast)

Avril Lavigne

as Porsha Crystal in Sing 2

Brad Garrett

as Jimmy Crystal in Sing 2

Brenda Blethyn

as Nana Noodleman in Sing (2006)

Jerry Seinfeld

as Buster Moon in Sing (2006)

Jennifer Garner

as Mia Thermopolis in The Princess Diaries (1990s)

Angela Lansbury

as Queen Clarisse in The Princess Diaries (1990s)

Catherine O'Hara

as Gypsy in A Bug's Life (2008)

Geena Davis

as Gypsy in A Bug's Life (2008)

David Schwimmer

as Slim in A Bug's Life (2008)

Danny Elfman

as Composer in A Bug's Life (2008)

Randy Newman

as Composer in A Bug's Life (2008)

Alan Silvestri

as Composer in A Bug's Life (2008)

Cloris Leachman

as The Queen Ant in A Bug's Life (2008)

Charles Durning

as Manny in A Bug's Life (2008)

Bobby Cannavale

as Dim in A Bug's Life (2008)

Amanda Peet

as Princess Atta in A Bug's Life (2008)

Douglas Seale

as Bishop in Shrek (1991)

James Horner

as Composer in Shrek (1991)