Hollywood Reporter | Jeremy Irons to Co-Star in 'The Man Who Knew Infinity' Hollywood Reporter Jeremy Irons is set to co-star in The Man Who Knew Infinity, the biopic of Indian mathematician Srinivasa Ramanujan. our editor recommends. Cannes: Dev Patel to Star as Famed Indian Mathematician · Jeremy Irons to Be Honored at Savannah Film Festival ... Jeremy Irons to star with Dev Patel in Ramanujan Jeremy Irons to star in ?The Man Who Knew Infinity? bio Irons stars in maths genius biopic |