RSC Membership spike

On January 24, 2013 the day after Gregory Doran and the RSC announced David Tennant would be starring in Richard II The Times reported:

Tennant fans devise ticket tactics for RSC return

"The last time that David Tennant agreed to appear on stage for the Royal Shakespeare Company, tickets for his portrayal of Hamlet sold out immediately.

News of his next appearance, as the title character in Richard II, prompted a surge in membership yesterday as his admirers sought the right to book early for the production." Jack Malvern - January 24, 2013

Also on the BBC America website:

Whovians Deluge RSC for Tickets to David Tennant’s ‘Richard II

David Tennant is not only returning to BBC America – the former Doctor Who actor will also be going back to the Royal Shakespeare Company, where he will be playing Richard II later this year.
The announcement, writes the Telegraph in a “Hot Tickets” e-mail report, “apparently triggered a frenzy of joining the RSC for Doctor Who fans desperate to be first in line for tickets.” - Paul Hechinger January 25th, 2013