Theatricalia is a database of past and future theatre productions. It contains information about nearly 20,000 productions involving over 60,000 people at over 1,500 theatres. The earliest production currently in the system is from 1660: http://theatricalia.com/play/8/othello/production/ncj - possibly the first time a professional actress appeared on a public stage in England.
You can search the database via a web form here: http://theatricalia.com/search
At present there is no API or raw data download.
The ODbL status of Theatricalia was established via an IsItOpenData request -
Theatricalia. Matthew Somerville.
Retrieved 02:07, May 25, 2013 (UTC).
the Data Hub