Question: who does the voice of thomas the tank engine
Answer: Actor / Actress Region Role ( s ) Notes Joseph May US Thomas `` The Adventure Begins '' onwards John Hasler UK US / UK Rheneas ( series 20 onwards ) David Bedella Victor , Carlos , The Mayor of Sodor and the Cuban man Jamie Campbell Bower Skiff Jonathan Broadbent Bill , Ben and The First Slip Coach Nathan Clarke Alfie Olivia Colman Marion Jules de Jongh US Emily , Mavis ( Season 13 -- 16 ) , Lady Hatt , The Duchess of Boxford , Stephen Hatt ( `` Diesel 's Special Delivery '' ) , Bridget Hatt , Bridget Hatt 's Friends , Some Children , Little Boy in White an