Boulder/Arthur

Boulder as Arthur

Molly Mouse (from Skipper and Skeeto) as D.W.

Caroline as Kate

Diesel as Pal

Shirlena (from Tourettes Guy) as Jane

The Chinese Dragon as David

The Stationmaster's Wife as Francine

Petra (from Theodore Tugboat) as Sue Ellen

James as Buster

Lady as Fern

Bulgy as George

The Freight Engine (from The Little Engine That Could "Book") as Binky

Elizabeth as Muffy

Pearl (from Theodore Tugboat) as Prunella

Duncan as Brain

Max and Monty as Tibble Twins

Patrick as Dad

Lizzie Bee (from Skipper and Skeeto) as Mom

Mavis as Thora

George as Mr. Ratburn

Flora as Paige Turner

Stafford as Grandpa Dave

Cocomagh (from Theodore Tugboat) as Mrs. MacGrady

Oscar (from Sesame Street) as Mr. Haney

Grundgetta (from Sesame Street) as Nadine

Wendy O Koopa (from Mario) as Emily

Bertie as Rattles

Caitlin as Molly

Arry as Mr. Morest

Bert as James

Pip (from RWS) as Ms. Morgan

Emma (from RWS) as Buster's Mom

Catherine (from RWS) as Catherine

Sir Handel as Toby

Peter Sam as Slink

D199 (from RWS) as Ed Crosswire

Judge Judy the Diesel as Millicent Crosswire

Mallard (from RWS) as Policeman

D261 as Oliver Frensky

Henrietta as Laverne Frensky

Jeremy as Mike

Thomas as Kraka-Toa (from TUGS)