The World Traders (audio story)

was the first story in the tenth series of The Fourth Doctor Adventures, produced by Big Finish Productions. It was written by Guy Adams and featured Tom Baker as the Fourth Doctor and Louise Jameson as Leela.
It featured the Big Finish debut of the Usurians, who were introduced in The Sun Makers.
== Publisher's summary ==
When a day out in 21st Century London leads to the TARDIS being impounded, the Doctor and Leela find themselves getting involved with the mysterious Amapan Investments, a company that’s managed to become remarkably successful in a remarkably short amount of time.
So what’s their secret? The Doctor and Leela are about to find out.
The Usurians have come to Earth. And they have big plans.
== Plot ==
=== Part one ===
to be added
=== Part two ===
to be added
=== Part three ===
to be added
=== Part four ===
to be added
== Cast ==
* The Doctor - Tom Baker
* Leela - Louise Jameson
* Emma Fremantle - Sara Powell
* Jeffery Secombe / Mozz Consolidated - Chris Porter
* President Dunn-La - Ramon Tikaram
* The Director - Siân Phillips
== Crew ==
* Cover Art - Ryan Aplin
* Director - Nicholas Briggs
* Executive Producers - Jason Haigh-Ellery and Nicholas Briggs
* Music and Sound Design - Jamie Robertson
* Producer - David Richardson
* Script Editor - John Dorney
* Writer - Guy Adams
* Usurians created by Robert Holmes
== Worldbuilding ==
to be added
== Notes ==
* This story was recorded on 12 and 14 September 2016 at Audio Sorcery.
== Continuity ==
* UNIT is unavailable (TV: Resolution, Spyfall)
* The Doctor and Leela have encountered the Usurians before on Pluto (TV: The Sun Makers)
== External links ==
Category:Series 10 (4DA) audio stories
Category:Stories set in the 21st century
Category:Stories set in London
Category:Stories set in the distant past
Category:Stories set in 1688
Category:Fourth Doctor audio stories
Category:2021 audio stories