- Donald as Father Ted Crilly
- Douglas as Father Dougal Macguire
- Emily as Mrs. Doyle
- Sir Handel as Bishop Len Brennan
- Duncan as Father Jack Hackett
- The Diesel as Father Fintan Stack
- Troublesome Trucks as The Elderly Priests
- Ten Cents from (Tugs) as Thomas
- Hercules from (Tugs) as Edward
- Warrior from (Tugs) as Henry (Warrior and Henry are both Kind and Clumsy)
- Big Mac from (Tugs) as Gordon (Big Mac and Gordon are both Big and Strong)
- Top Hat from (Tugs) as James
- Sunshine from (Tugs) as Percy
- OJ from (Tugs) as Toby
- Grampus from (Tugs) as Duck
- Frank & Eddie from (Tugs) as Donald & Douglas
- Lillie Lightship from (Tugs) as Emily
- Fundy from (Tugs) as Salty
- Carla from (Tugs) as Caitlin
- Fire Cheif from (Tugs) as BoCo
- Captain Star from (Tugs) as Sir Topham Hatt
Version 2 (By ThomasandRusty)
Thomas = Father Ted Crilly
Percy = Father Dougal McGuire
Edward = Father Jack Hackett
Emily = Mrs Doyle
Diesel = Father Dick Byrne
Gordon = Bishop Brennan
Henry = Henry Sellers
Duck = Father Barty Dunne
Donald & Douglas = Police (from Competition Time)
Diesel 10 = Pat Mustard
The Diesel = Father Todd Unctious
Arry & Bert = Father Cyril MacDuff
Daisy = Sister Assumpta
Horrid Lorries = Peanuts
Peter Sam=Father Noel Furlong
Sir Handel=Father Jessop
Arthur=Father Larry Duff
Spencer=Father Fintan Stack
Oliver=Father Buzz Cagney
Skarloey=Father Paul Stone
Thomas (Dermot Morgan) would be a clever tank engine, a smoker and the main protagonist.
Percy (Ardal O'Hanlon) would be a dumb tank engine and a rollerblader.
Edward (Frank Kelly) would be nearly dumb as Percy, a fan of alchohol and a swearing old engine.
Emily (Pauline McLynn) would be the housekeeper engine and cake, tea and sandwich server.
Diesel (Maurice O'Donoghue) would be Thomas's enemy, a smoker and the main antagonist.
Gordon (Jim Norton) would be a strict bishop who hates the other steam engines especially Thomas.
Henry (Niall Buggy) would be a BBC Television Presenter who gets drunk on sherry.
Duck (Fergus O Kelly) would be a laughing GWR engine and get annoying to Henry.
Donald & Douglas would be police engines called by Thomas.
Arry & Bert (Don Wycherely) would be dumb diesels (dumber than Percy) and Diesel's roomates.
Daisy would be the leader of nuns who treats Thomas and Percy crazy and loves chocolate.
Horrid Lorries would be three lorries chasing Thomas in his second dream.
Peter Sam (Graham Norton) would be an annoying engine who acts crazy.
Sir Handel (Ian Fitzgibbon) would be the most sarcastic engine on Sodor, who is aide to Gordon and gets imprisoned in Edward's laundry basket
Arthur (Tony Guilfoyle) would be a friend of Thomas always causing accidents when being interrupted.
Spencer (Brendan Grace) would be a rude engine replacing Edward when he leaves and appauling.
James (Patrick McDonnell) would be a sickly, sweet engine on tv, who acts as a spoiled brat off camera.
Oliver would be a GWR engine who was going to America with Thomas (before he changed his mind)
Skarloey (Michael Redmond) would be a really boring engine who says 'No I'm fine'.
Thomas as Father Ted
Percy as Father Dougal
James as Father Jack
Emily as Mrs Doyle
Gordon as Bishop Brennan
Diesel as Dick Byrne
Henry as Henry Sellers
Duck as Barty
Spencer as Father Fintan Stack
Diesel 10 as Pat Mustard
Version 4 (By DWMATILDA, Please do not DELETE!)
Gordon as Father Ted
Henry as Father Dougal
Thomas as Father Jack
Emily as Mrs Doyle
Duck as Bishop Brennan
Oliver as Noel Furlong
Diesel 10 as Dick Byrne