Robert downey jr stars as doctor dolittle. With jim broadbent, antonio banderas, michael sheen, emma thompson and tom holland.     after his wife's death doctor dolittle chooses a life of quiet isolation within his own private manor. However, when a serious illness threatens the life of queen victoria, played by jessie buckley, the eccentric doctor is called upon to seek a cure and he embarks on an epic adventure with his trusted animal friends.