Suggestions by @jellytoyproductions

Hugh Laurie

as Henry the Green Engine in Thomas and friends (Live action)

Andrew Garfield

as Thomas the tank engine in Thomas and friends (Live action)

Hugh Bonneville

as Sir Topham Hatt in Thomas and friends (Live action)

Mark Moraghan

as Narrator in Thomas & Friends:Sidney On The Loose Series #18 Finale Episode #10

Rowan Atkinson

as Edward in Thomas & Friends:Sidney On The Loose Series #18 Finale Episode #10

Keith Scott

as Diesel 10 in Thomas & Friends: The Movie

Britney Spears

as Lady in Thomas & Friends: The Movie

Mandy Moore

as Mavis in Thomas & Friends: The Movie

Teresa Gallagher

as Daisy in Thomas & Friends: The Movie

Rowan Atkinson

as Guest Star (explaining the word 'silent') in Sesame Street season 51

Lacey Chabert

as Leela Johnson in The Sesame Street Movie

Link Neal

as Guest Stars in The NEW Muppet Show

Rhett McLaughlin

as Guest Stars in The NEW Muppet Show

Britney Spears

as Guest Stars in The NEW Muppet Show

"Weird Al" Yankovic

as Guest Stars in The NEW Muppet Show

Lacey Chabert

as Guest Stars in The NEW Muppet Show

Lacey Chabert

as Celebrity Cameos in Sesame Street (Reboot TV Series)

Joe Mills

as Oliver in Thomas & Friends: The Movie

Steven Kynman

as Duck in Thomas & Friends: The Movie

Jim Carrey

as Film Director in Jim Henson’s The Wizard Of Oz (1990s)