Sterling K. Brown Dishes on How His Wife Is Part of His Transformation for New Role (Exclusive)

Sterling K. Brown chats with ET's Will Marfuggi in Los Angeles at the premiere of 'Honk For Jesus. Save Your Soul.' The actor shares his love for improvising moments on the set. Sterling also breaks down his post-'This Is Us' hairstyles. 'Honk for Jesus. Save Your Soul.' is in theaters and streams on Peacock, Sept. 2.