Washington, June 3 -- 'Outlander' star Sam Heughan is set to take on the role of Macbeth in the Royal Shakespeare Company's upcoming production, marking his debut with the company.

Heughan expressed his excitement about returning to the stage after 12 years, and said, "It's the drug I'm looking for," as quoted by Deadline.

Heughan, who trained at the Royal Scottish Academy of Music and Drama, has always been drawn to the play.

He recalled being in awe of Derek Jacobi's portrayal of Macbeth in Adrian Noble's RSC production and even played minor roles in a 2008 production.

"I remember just going full circle like, going back to the very first show I ever did in youth theatre. I was an extra on the main stage of the Royal Lyceum theatre i...