CultureJang Seung-jo Transforms into Surgeon Na Dae-il in 'Doctor X,' Disrupting Gye Soo-jeong's Contract
Jang Seung-jo, previously the villain in 'My Man Is Cupid,' guest-stars in 'Doctor X: White Mafia Era' as surgeon Na Dae-il, a former military doctor who becomes a new rival to Kim Ji-won's character starting episode 3.
