First THE MAN WHO KNEW INFINITY Trailer Check out the first THE MAN WHO KNEW INFINITY trailer! The film, directed by Matt Brown, stars Dev Patel, Dev Patel, Toby Jones, Devika Bhise, and Jeremy Irons. THE MAN WHO KNEW INFINITY will be released in theaters on April 29. Growing up poor in Madras, India, Srinivasa Ramanujan Iyengar earns admittance to Cambridge University during WWI, where he becomes a pioneer in mathematical theories with the guidance of his professor, G.H. Hardy.