Mitchell Kummen ("Horns") has been cast as the young Mick Rory -- whose older version is portrayed on the show by series regular Dominic Purcell -- on an upcoming episode of "Legends of Tomorrow."

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According to Variety, Kummen's Rory will debut on the April 21 episode of the series, titled "Last Refuge." The episode will reportedly follow Rory as a "confused teenager whose love of fire becomes lethal."

"Last Refuge" is directed by Rachel Talalay and written by Chris Fedak & Matthew Maala.

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"Legends of Tomorrow" airs Thursdays at 8/7c on The CW.