The Barber/Harold

Cast

 * The Barber as Harold
 * Jeremy as Hank
 * Peter Sam as BoCo (Peter Sam and BoCo are both Green)
 * Sir Handel as Derek
 * Tiger Moth as Bulgy
 * Duck as Jeremy
 * Farnsworth (from The Little Engine That Could) as Salty (Farnsworth and Salty are both Diesels)
 * Percy as Bertie
 * Norman as Bill
 * Paxton as Ben
 * Harold as Trevor
 * Patrick as S. C Rufey
 * Den as Donald (Den and Donald both start with D)
 * Dart as Douglas (Dart and Douglas both start with D)
 * Terence as Henry
 * Madge as Isobella
 * Lady as Madge
 * Sidney as Whiff
 * Elizabeth as Rosie
 * Rusty as Duck
 * Captain as Toby
 * George as Colin (george and Colin are both Green)
 * Jack as Splatter
 * Alfie as Dodge (Alfie and Dodge are Green)
 * Bulstrode as Stanley
 * Byron as Jack
 * Ned as Alfie
 * Gordon as Byron
 * Henry as Ned
 * Bertie as Kelly
 * Smudger as Patrick
 * Kelly as Nelson
 * Kevin as Buster
 * Bash as Bash
 * Dash as Dash
 * Porter as Puffa (from TUGS) (Porter and Puffa both start with P)
 * Mavis as Flora
 * Sir Topham Hatt as Smudger
 * Stephen Hatt as Arry
 * Bridget Hatt as Bert (Bridget Hatt and bert both start with B)
 * Diesel 10 as Randy Masrh (from South Park)
 * Evil Emily as Sharon Marsh (from South Park)
 * BoCo as Ferdinand
 * Derek as Oliver (Derek and Oliver are both Green)
 * Luke as Rocky
 * Trevor as Gordon
 * Stafford as James
 * Emily as Caroline
 * Harvey as The Spiteful Brakevan
 * D261 as Hiro
 * Hiro as Bulstrode (Hiro and Bulstrode are both Black)
 * Henrietta as Elizabeth
 * Butch as Hector
 * Nelson as Diesel (Nelson and Diesel are both Black)
 * Mr. Percival as The Foreman
 * Mrs. Percival as Miss Jenny
 * Oliver as Thomas
 * Annie as Emily
 * Duncan as Diesel 10 (Duncan and Diesel 10 both start with D)
 * Fergus as Spencer
 * Edward as Percy
 * Clarabell as Belle
 * Boulder as George
 * The Spiteful Brakevan as Boulder
 * Arry as Skarloey
 * Bert as Rheneas
 * Skarloey as Sir Handel
 * Rheneas as Peter Sam
 * Duke as Rusty
 * Diesel as Duncan (Diesel and Duncan both start with D)
 * Scruffey as Duke
 * Flynn as Freddie 8Flynn and Freddie both start with F)
 * Melvin Duck (from Skipper & Skeeto) as Burke (from TUGS)
 * Fungy Frog (from Skipper & Skeeto) as Blair (from TUGS)
 * Molly Mouse (from Skipper & Skeeto) as Daisy
 * The Angry Policeman as Boomer (from TUGS)
 * Spencer as Murdoch
 * Scruff as Neville
 * Freddie as Luke