Vin Diesel Says Paul Walker Wanted John Cena In ‘F9’ Vin Diesel says the late Paul Walker played a hand in casting John Cena in Fast & Furious 9. Diesel says when he met with Cena – who plays Dom Torretto’s long-lost brother – he felt “as though Pablo, Paul Walker, had sent him in”. He then told director Justin Lin “my gut and my heart feels like this was meant to be”. F9 will finally hit theaters June 25th. The official trailer was released this week. How excited are your for F9? Did the trailer live up to the hype?