The Duke and Duchess of Boxford

The Duke and Duchess of Boxford often visit Sodor with their private engine, Spencer. They once bought a holiday home on Sodor and had Edward take their furniture to the house. The engines later helped build the Duke and Duchess another summerhouse. They are good friends with Sir Topham and Lady Hatt.

Television series

 * Season 7 - Gordon and Spencer (do not speak)
 * Season 8 - Edward the Great (do not speak)
 * Season 10 - Topped Off Thomas (do not speak)
 * Season 11 - Emily's Rubbish (mentioned) and Dream On (the Duchess does not speak)
 * Season 13 - Creaky Cranky (mentioned) and Snow Tracks (do not speak)
 * Season 14 - Pingy Pongy Pick Up (the Duchess only; cameo) Toby and the Whistling Woods (mentioned) and O the Indignity (mentioned)
 * Season 15 - Gordon and Ferdinand (the Duchess does not speak), Percy's New Friends (the Duke only; cameo), Henry's Happy Coal (do not speak), Spencer the Grand (mentioned), and Wonky Whistle (the Duchess only; cameo)

Specials:
 * Hero of the Rails
 * Misty Island Rescue (do not speak)

Magazine stories

 * 2011 - Who's Highest? (do not speak), Special Carriage (the Duke does not speak), Little and Light, Gordon and Ferdinand (the Duke does not speak; the Duchess cameo), and Speedy Spencer (mentioned)

Voice Actors
Duke of Boxford:
 * Matt Wilkinson (UK; Hero of the Rails onwards)
 * David Bedella (US; Hero of the Rails onwards)
 * Helge Winther Larsen (Norway; Hero of the Rails onwards)

Duchess of Boxford:
 * Teresa Gallagher (UK; Hero of the Rails onwards)
 * Jules de Jongh (US; Hero of the Rails onwards)
 * Marit Berg (Norway; Hero of the Rails onwards)

Trivia

 * The Duchess' model is currently on display at Drayton Manor.