Boulder/Douglas

Cast

 * Boulder as Douglas
 * The Chinese Dragon as Harold
 * The Spiteful Breakvan as Byron
 * George as Jeremy
 * Percy as Tiger Moth
 * James as Bluebell (from RWS)
 * Duncan as Stepney
 * Bulgy as Neville
 * Den as Oliver
 * Dart as Thomas
 * Bulstrode as Donald
 * Bertie as Spamcan (from RWS)
 * Max as Jack
 * Monty as Alfie
 * D261 as Kelly
 * Madge as Elizabeth
 * Elizabeth as Annie
 * S. C Ruffey as Toby
 * Station Master's Wife as Henrietta
 * Diesel as Luke
 * Flynn as Stafford
 * Paxton as Kevin
 * Sir Handel as Splatter
 * Peter Sam as Dodge
 * Rickety (from RWS) as Toad
 * Splatter as Bash
 * Dodge as Dash
 * Arry as Patrick
 * Bert as Percy
 * Diesel 10 as Scruff
 * Toby as Bulstrode
 * Stafford as Ferdinand
 * The Barber as Whiff
 * Burke (from TUGS) as Big Mac (from TUGS)
 * Blair (from TUGS) as Warrior (from TUGS) (Blair and Warrior both end with r)
 * Sidney as Nelson
 * Caroline as Old Slow Coach
 * Rusty as Diesel
 * Skarloey as Arry
 * Rheneas as Bert
 * Oscar (from Sesame Street) as Big Bird (from Sesame Street)
 * Grudgetta (from Sesame Street) as Zoe (from Sesame Street)
 * Hector as Captain
 * Smudger as Victor
 * Harold as Fergus
 * Jeremy as Ned
 * Duck as Diesel 10 (Duck and Diesel 10 both start with D)
 * Mavis as Daisy
 * Gordon as Max
 * Norman as Flying Scotsam (from RWS)
 * Ferdinand as Big City Engine (from RWS)
 * Lady as Clarabel
 * Kevin as Big Mickey (from TUGS)
 * Stepney as D261
 * Stewie Griffin (from Family Guy) as Stan Marsh (from South Park)
 * Angelica Pickles (from Rugrats) as Wendy Testaburger (from South Park)
 * Toad as Edward
 * Molly Mouse (from Skipper & Skeeto) as Millie
 * Trevor as Monty
 * Oliver as Duncan
 * Derek as Gordon
 * Shirlena (from Tourettes Guy) as Belle
 * Eric Cartman (from South Park) as Butch
 * Lorry 2 as Skarloey
 * Lorry 3 as Rheneas
 * Spencer as Duke
 * Donald as Lorry 1
 * Douglas as Lorry 2
 * Murdoch as Hector
 * Harvey as Oliver (pack)
 * Arthur as Lorry 3
 * PT Boomer (from Thomas & The Magic Railroad) as Green Arrow (from RWS)
 * Miss Jenny as Victoria (from RWS)
 * Salty as Hiro
 * The Angry Policeman as Flynn
 * Lorry 1 as Trevor
 * Cranky as Harvey
 * Luke as James