Today marks 20 years since the first episode of Strictly began airing on BBC One.
The Emmy winner earned rave reviews for her performance in Talley's Folly, but not from one audience member – who happened to have originated her role.
Joost was supposed to represent The Netherlands, but was removed from this year's contest on the morning of the live final amid an investigation into an "incident".
The Trying star is the son of fellow actor Timothy Spall.