iconic television astrologer Walter Mercado are hoping to adapt the film into a scripted biopic.Cristina Costantini, who directed “Mucho Mucho Amor: The Legend of Walter Mercado” with Kareem Tabsch, tells Variety that they asked Mercado who he wanted to play him. “I suggested Gael García Bernal and he said, ‘Too old,’” Costantini said.