"The Iron Claw" cast members, including Zac Efron ("Kevin Von Erich"), Jeremy Allen White ("Kerry Von Erich"), Stanley Simons ("Mike Von Erich"), Holt McCallany ("Fritz Von Erich") and Maura Tierney ("Doris Von Erich") are joined by writer, director and producer Sean Durkin to discuss everything that went into telling the true story of the Von Erich family. Watch as they dive into whether the family is really cursed, beefing up for the film, their favorite days on set and more.