Penn will join Nick Jonas, MAChine Gun Kelly, and Bob Dylan's grandson, Levi, among others in the firm's Celebrity Division, according to Other Wilhelmina models include Francisco Lachowski, Armando Cabral, Cindy Bruna, Robyn Lawley, and Veronika Vilim.

"I'm looking forward to working with Wilhelmina," said Penn, who joined the agency after his debut acting stint with Brad Pitt in Netflix's political satire War MAChine about the war in Afghanistan.

Earlier this year, Penn and his sister Dylan starred in their first fashion campaign for Fay's Spring/Summer 2016 line. The celebrity siblings were photographed in Palm Springs, California by Michelangelo di Battista.