Tom Holland, Michael Sheen, Marion Cotillard, Robert Downey Jr, Rami Malek, Ralph Fiennes, Emma Thompson, Antonio Banderas, Kumail Nanjiani, John Cena, Selena Gomez, Octavia Spencer, Carmen Ejogo and more star in this first trailer for 'Dolittle'. A physician discovers that he can talk to animals. This trailer is in HD.