When it comes to "The Voyage of Doctor Dolittle," Robert Downey Jr. is in very, very good company. While that tends to be the case for basically all of his films, it is particularly true here.

The two-time Academy Award nominee revealed the full voice cast of the upcoming film Tuesday via Twitter, and the lineup is impressive. Downey Jr. is joined by several other acclaimed actors, so we'd say it's fair for him to call the cast "stellar," as he did in his tweet. The group includes Octavia Spencer, Marion Cotillard, Rami Malek, Kumail Nanjiani, Emma Thompson, Selena Gomez, and more.

Several members of the cast had already been announced, but Downey Jr.'s tweet unveiled new additions, namely Spencer, Cotillard, Malek, and Nanjiani, along with Craig Robinson, John Cena, Carmen Ejogo, and Frances De La Tour, according to Deadline. They'll voice various animals, such as a duck, a fox, and an ostrich. Meanwhile Downey Jr., Antonio Banderas, Michael Sheen, Harry Collett, and Jim Broadbent will take on live-action roles to bring Hugh Lofting's children's book series to screen.

"The Voyage of Doctor Dolittle" is filming now in London and is slated to hit theaters April 12, 2019.

[h/t: Deadline]