Antonio Banderas’ first and greatest love will always be theatre.

On Monday, the “Pain and Glory” star appeared on “Conan” and talked to host Conan O’Brien about opening a theatre in his hometown of Malaga, Spain.

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“I am an actor because of theatre. Movies became an accident,” he said explaining his decision to open the theatre.

The actor also recently co-directed and starred in a Spanish production of the classic musical “A Chorus Line” at the theatre.

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Banderas then showed O’Brien some of the famous choreography from the show, getting the host to his feet to give him a lesson in dance.

“You have to be in amazing shape to do that,” the host comment afterward, joking that he had just suffered several strokes.