After having names such as Charlize Theron, Helen Mirren, Rita Moreno and Jason Momoa attached to his 'Fast and Furious' franchise, Hollywood star Vin Diesel knows exactly who he wants to join the family next - Robert Downey Jr.

Asked by 'Variety' about his dream casting at the 'Fast X' trailer premiere, Diesel, who plays protagonist Dom Toretto, gave RDJ's name without hesitation. But who would he play?