Alfie
Arthur
Ben
Bertie
Bill
Bulgy
Bulstrode
Butch
Caroline
Chinese Dragon
Cranky
Daisy
Derek
Diesel
Diesel 10
Donald
Duncan
Duke
Edward
Elizabeth
Emily
Fergus
Gordon
Harold
Harvey
Henrietta
Henry
Iron'arry
Iron Bert
Jack
James
Lady
Lady Hatt
Mavis
Murdoch
Oliver
Percy
Peter Sam
Rheneas
Rusty
Salty
Sir Handel
Sir Topham Hatt
Skarloey
Spencer
Splatter
Thomas
Toby
Troublesome Trucks

Sir Topham Hatt
Sir Topham Hatt is the director of the Railway and is responsible for making sure the engines are always Right on Time and Really Useful. He has a firm but kind manner in dealing with the engines and staff, and has risen through the ranks from a railway engineer to his current position.
Fun Fact
Sir Topham Hatt was awarded a knighthood for his services to the railway industry.