Sharon Miller

Sharon Miller was the script editor from 2005 until 2007. In 2008, she became head writer for the series. She has directed the voice cast since Misty Island Rescue. She served as creative producer until Season 14 and worked alongside Jo Jordan during the same season. Miller stepped down as head writer in 2010 in favour of Andrew Brenner. She no longer writes for the series, but will remain in her role as voice director for a while longer.

She has also written for "Bob the Builder: Ready, Steady, Build!", "Mike the Knight", and "Lily's Driftwood Bay".

Season 9

 * Thomas and the Birthday Picnic
 * Tuneful Toots
 * The Magic Lamp
 * Thomas' Day Off

Season 10

 * Follow that Flour
 * The Green Controller
 * Thomas' Tricky Tree
 * Edward Strikes Out
 * Topped Off Thomas
 * Thomas' Frosty Friend

Season 11

 * Thomas and the Spaceship
 * Thomas Sets Sail
 * Don't be Silly, Billy
 * Thomas and the Runaway Car
 * Ding-a-Ling

Season 12

 * Steady Eddie
 * Mountain Marvel
 * Heave Ho Thomas
 * Toby's Special Surprise
 * Tram Trouble
 * The Man in the Hills
 * Push Me, Pull You

Season 13

 * Creaky Cranky
 * Double Trouble
 * Play Time
 * Steamy Sodor
 * Splish, Splash, Splosh!
 * The Biggest Present of All
 * Buzzy Bees
 * Hiro Helps Out

Season 14

 * Thomas' Tall Friend
 * Charlie and Eddie
 * Henry's Health and Safety
 * Thomas' Crazy Day
 * Jumping Jobi Wood!
 * Thomas and Scruff
 * O the Indignity
 * Jitters and Japes
 * Merry Misty Island
 * Henry's Magic Box

Season 15

 * Gordon and Ferdinand
 * Toby and Bash
 * Emily and Dash
 * Edward the Hero
 * James to the Rescue
 * Happy Hiro
 * Up, Up and Away!
 * Henry's Happy Coal
 * Let it Snow
 * Surprise, Surprise
 * Stop that Bus!
 * Stuck on You
 * Big Belle
 * Tree Trouble
 * Fiery Flynn

Season 16

 * Race to the Rescue
 * Ol' Wheezy Wobbles
 * Express Coming Through
 * Percy and the Monster of Brendam
 * Ho Ho Snowman
 * Bust My Buffers!
 * Salty's Surprise
 * Welcome Stafford
 * Don't Bother Victor!
 * Happy Birthday Sir!
 * The Christmas Tree Express

Specials

 * The Great Discovery
 * Hero of the Rails
 * Misty Island Rescue
 * Day of the Diesels
 * Blue Mountain Mystery