Suggestions by @romarioharvey

Raven-Symoné

as Marlo in Braceface

Kaley Cuoco

as Nina Harper in Braceface

Brie Larson

as Alyson Malitski in Braceface

Hillary Duff

as Alyson Malitski in Braceface

Michael B. Jordan

as Brock Leighton in Braceface

Drake Bell

as Alden Jones in Braceface

Josh Peck

as Conner Mackenzie in Braceface

Brenda Song

as Maria Wong in Braceface

Emily Hart

as Sharon Spitz in Braceface

Danny Woodburn

as BJ (Body Costume) (first appears in Season 2) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

Ashley Boettcher

as Abby (Seasons 1-2) (Guest: Season 3) (Inspired by Amy from the Backyard Gang) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

Jim Cummings

as Barney the Dinosaur (Singing Voice) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

Chris Phillips

as Barney the Dinosaur (Singing Voice) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

JD McCrary

as Elvis (Season 3) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

Angelina Wahler

as Abby (Seasons 1-2) (Guest: Season 3) (Inspired by Amy from the Backyard Gang) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

Gavin Casalegno

as Brian (Seasons 1-2) (inspired by Michael) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

Emma Watson

as Love in Kuu Kuu Harajuku Recast

Fred Savage

as Barney the Dinosaur (Voice) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

Jarvis B. Manning, Jr.

as Barney the Dinosaur (Body Costume) in Barney & Friends Fanmade First Generation Cast (What if: Nick Jr. 2012-2016)

Ellen DeGeneres

as Mauve Madison in Kuu Kuu Harajuku Recast