Suggestions by @jellytoyproductions

Rowan Atkinson

as Edward the Blue Engine in Thomas and friends (Live action)

Lacey Chabert

as Emily the Emerald Engine in Thomas and friends (Live action)

Colm Feore

as Toby the Team Engine in Thomas and friends (Live action)

Daniel Radcliffe

as Percy the Small Engine in Thomas and friends (Live action)

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