FILM crews have been spotted after a Windsor theatre confirmed ‘top secret’ filming will be taking place at its premises.

Theatre Royal Windsor, on Thames Street, revealed to its followers on Facebook its ‘lips are sealed’ as the cast and crew will be moving in over the coming weeks.

This is said to be going on while the building is closed for cleaning and maintenance.

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In the post the theatre said: “As well as a spring clean, Theatre Royal will be hosting some super top secret (and VERY exciting) filming!

“Our lips are sealed but there are a couple of high-profile screen projects that will be making the most of our building as a stunning location.”

A resident on Twitter said he spotted the film crews going in the theatre this morning (April 27).