Suggestions by @jellytoyproductions

Hugh Laurie

as Henry the Green Engine in The Adventures of Thomas

Rowan Atkinson

as Edward the Blue Engine in The Adventures of Thomas

Keith Wickham

as Harvey The Crane in Thomas & Friends:Extremely Too Cold For Daisy Series #15 Episode #3

Mark Moraghan

as Narrator in Thomas & Friends:Sir Handel & Mavis Tells The Truth Series #20 Episode #3

Lacey Chabert

as Emily The Emerald Engine in Thomas & Friends:Sir Handel & Mavis Tells The Truth Series #20 Episode #3

Rachael Miller

as Rebecca in Thomas and Friends (American English) Season 25

Teresa Gallagher

as Mavis in Thomas and Friends (American English) Season 25

Sofia Carson

as Rosie in Thomas and Friends (American English) Season 25

Lacey Chabert

as Emily in Thomas and Friends (American English) Season 25

Steven Kynman

as Duck in Thomas and Friends (American English) Season 25

Hugh Laurie

as Henry in Thomas and Friends (American English) Season 25

Rob Rackstraw

as Big Mickey in Thomas And Friends Season 25

Teresa Gallagher

as Annie & Clarabel in Thomas And Friends Season 25

Jonathan Broadbent

as Bill & Ben (Jonathan Broadbent Only) in Thomas And Friends Season 25

Keith Wickham

as Norman in Thomas And Friends Season 25

Greg Proops

as Fergus in Thomas And Friends Season 25

Tim Whitnall

as Timothy in Thomas And Friends Season 25

John Cleese

as Spencer in Thomas And Friends Season 25

Rasmus Hardiker

as Stepney in Thomas And Friends Season 25

Jonathan Broadbent

as Bill & Ben in Thomas And Friends Season 25