The Secrets of the Artefacts

The Secrets of the Artefacts (Upcoming 2021 Special which features the Peel Godred Branchline) is an upcoming 2021 special.

Characters
Thomas Edward Henry Gordon James Percy Toby Duck Donald and Douglas Oliver Bill and Ben Flying Scotsman Harvey Spencer Rosie Whiff Scruff Stephen Samson Glynn Ryan Hurricane Merlin Daisy BoCo Mavis Salty Sidney Frankie Stafford Marion Skiff Skarloey Sir Handel Peter Sam Duncan Duke Victor Millie Rex Bert Mike Annie and Clarabel Henrietta Toad Judy and Jerome Bradford Terence Bertie Harold Jack Alfie Oliver the Excavator Kelly Ned Isobella Patrick Cranky Big Mickey Sir Topham Hatt Fergus Duncan Dowager Hatt Mr. Percival Sir Robert Norramby The Thin Clergyman Hiro (does not speak) Rocky (does not speak) Kevin (does not speak) Emily (cameo) Stanley (cameo) Caitlin (cameo) Timothy (cameo) Nia (cameo) Rebecca (cameo) Diesel (cameo) Paxton (cameo) Philip (cameo) Hugo (cameo) Rheneas (cameo) Luke (cameo) Rusty (cameo) Slip Coaches (cameo) Hannah (cameo) Byron (cameo) Buster (cameo) Captain (cameo) Merrick (cameo) Owen (cameo) The Fat Clergyman (cameo) Captain Joe (cameo) The Grumpy Passenger (cameo) Sailor John (mentioned)

Characters Introduced
Peel Godred Engines Godred Ernest Wilfred Culdee Shane Dooiney Patrick Alaric Eric Catherine The “Trucks”

Locations
Killdane Peel Godred Branch Line Peel Godred Whiff’s Waste Dump Blue Mountain Quarry Kirk Machan

UK and AUS
John Hasler as Thomas Keith Wickham as Edward, Henry, Gordon, Harvey, Glynn, Whiff, Salty, Stafford, Skarloey, Sir Handel, Bert, Bertie, Harold, the Fat Controller and Dowager Hatt Rob Rackstraw as James, Toby, Donald, Bradford, Big Mickey, Fergus Duncan and the Thin Clergyman Nigel Pilkington as Percy Steven Kynman as Duck, Ryan, Peter Sam and Jack Joe Mills as Douglas, Oliver and Toad Jonathan Broadbent as Bill and Ben Rufus Jones as Flying Scotsman Matt Wilkinson as Spencer, Scruff and Cranky Nicola Stapleton as Rosie Bob Golding as Stephen and Sidney Robert Wilfort as Samson Jim Howick as Hurricane Hugh Bonneville as Merlin Tracy-Ann Oberman as Daisy Teresa Gallagher as Mavis, Annie, Clarabel and Judy Sophie Colquhoun as Frankie Olivia Colman as Marion Jamie Campbell Bower as Skiff Tom Stourton as Duncan, Rex and Terence David Bedella as Victor Miranda Raison as Millie Tim Whitnall as Mike, Jerome and Oliver the Excavator Maggie Ollerenshaw as Henrietta Nathan Clarke as Alfie Mike Grady as Sir Robert Norramby

US and CAN
Joseph May as Thomas and Toby William Hope as Edward and Whiff Kerry Shale as Henry, Gordon, Scruff, Harold and Mr. Percival Rob Rackstraw as James, Donald, Bradford, Big Mickey, Fergus Duncan and the Thin Clergyman Christopher Ragland as Percy Steven Kynman as Duck, Ryan and Peter Sam Joe Mills as Douglas, Oliver and Toad Jonathan Broadbent as Bill and Ben Rufus Jones as Flying Scotsman Keith Wickham as Harvey, Glynn, Salty, Stafford, Skarloey, Sir Handel, Bert, Bertie, Sir Topham Hatt and Dowager Hatt Glenn Wrage as Spencer and Cranky Nicola Stapleton as Rosie Bob Golding as Stephen and Sidney Robert Wilfort as Samson Jim Howick as Hurricane Hugh Bonneville as Merlin Tracy-Ann Oberman as Daisy Teresa Gallagher as Mavis, Annie, Clarabel and Judy Sophie Colquhoun as Frankie Olivia Colman as Marion Jamie Campbell Bower as Skiff Tom Stourton as Duncan, Rex and Terence David Bedella as Victor Miranda Raison as Millie Tim Whitnall as Mike, Jerome and Oliver the Excavator Maggie Ollerenshaw as Henrietta David Menkin as Jack Nathan Clarke as Alfie Mike Grady as Sir Robert Norramby

Trivia

 * This special marks the first of a few things:
 * The first special since The Great Race to feature Jonathan Broadbent as Bill and Ben. It is also the first time since Sodor's Legend of the Lost Treasure to feature Eddie Redmayne as part of the voice cast.
 * BoCo, Henrietta and Bradford’s first speaking role in a special.
 * Duke’s first appearance in a special.
 * Whiff’s first speaking role since Misty Island Rescue.
 * Scruff and Stafford’s first speaking roles since The Great Race.
 * Mavis’ first speaking role in a special since Blue Mountain Mystery.
 * The first special where Connor and Caitlin are seen together since Journey Beyond Sodor.
 * The first special where Teresa Gallagher voice Emily and Mavis in the US Dub and Joseph May voices Toby as they take over from William Hope and Jules de Jongh.
 * Timothy's last appearance to date.