Suggestions by @jellytoyproductions

David Hasselhoff

as Geoffrey the Great Central Engine in Tank Engine Thomas Again

Steven Kynman

as Thomas' Engineer in Tank Engine Thomas Again

Keith Wickham

as Sir Bertram Topham Hatt I in Tank Engine Thomas Again

Joseph Garrett

as Terence the Tractor in Tank Engine Thomas Again

Jim Carrey

as James the Red Engine in Tank Engine Thomas Again

Mark Moraghan

as Narrator in Henry the Green Engine

Tim Whitnall

as Another Angry Passenger in Henry the Green Engine

Rob Walker

as Angry Passenger in Henry the Green Engine

Doug Walker

as Fireman In Breakvan in Henry the Green Engine

Rob Rackstraw

as Driver In Brake Van in Henry the Green Engine

William Grubb

as Conductor in Henry the Green Engine

Keith Wickham

as Henry's Fireman in Henry the Green Engine

Rufus Jones

as Henry's Driver in Henry the Green Engine

Jules de Jongh

as Lady Hatt in Henry the Green Engine

Walter Banasiak

as Percy the Small Engine in Henry the Green Engine

William Grubb

as Edward the Blue Engine in Henry the Green Engine

Teresa Gallagher

as Annie the Branch Line Coach in Henry the Green Engine

John Bellis

as Thomas the Tank Engine in Henry the Green Engine

Colin Mochrie

as Sir Bertram Topham Hatt I in Henry the Green Engine

John Hasler

as Adam the Radial Tank Engine in Henry the Green Engine