Adria Arjona has been cast as Dorothy in NBC’s upcoming Oz-inspired drama series “Emerald City,” Variety has confirmed. Arjona is in demand, also appearing with a large arc in the second installment of HBO’s “True Detective,” premiering June 21. “Emerald City,” inspired by L. Frank Baum’s “Wizard of Oz” tales, follows 20-year-old Dorothy Gale (Arjona) and her K9 police...