The Universal feature stars Robert Downey Jr. as the physician with the uncanny ability to talk to animals, one of which Gomez will voice.
The platinum recording artist joins a voice cast that includes Spider-Man: Homecoming star Tom Holland, Emma Thompson and Ralph Fiennes. Along with Downey, Michael Sheen and Antonio Banderas will be starring in live-action roles.
Stephen Gaghan (Traffic, Syriana) will direct from a script that he wrote (an earlier draft was done by Tom Shepherd). The story is based on the 1920s children’s books by Hugh Lofting.
Joe Roth and Jeff Kirschenbaum (Alice in Wonderland) will produce via their Roth/Kirschenbaum Films shingle, alongside Susan Downey for Team Downey. Jon Mone and Lexi Barta will oversee production for the studio.
The Voyage of Doctor Dolittle will begin production this month in London, and is slated for a April 12, 2019, release.
Gomez, who acts as the executive producer on hit Netflix series 13 Reasons Why, can be heard in the third installment of the Hotel Transylvania franchise, due out this July. She is repped by WME, Lighthouse Management & Media and Ziffren Brittenham.