<Li> Bruno Campos as Prince Naveen, the prince of Maldonia . Naveen is a 20 - year - old ne'er - do - well and playboy who has been cut off from his family's riches until he learns the value of responsibility . Randy Haycock served as the supervising animator of Naveen in both human and frog form . The directors described the fictional kingdom of Maldonia as "located in an East of the Sun and West of the Moon location", however, the name Naveen (meaning "young man" in Sanskrit) is fairly common among men from the Indian Subcontinent . Campos combined a French accent with his own Brazilian accent to make up a Maldonian accent . </Li> <Li> Michael - Leon Wooley as Louis, a friendly, neurotic, trumpet - playing alligator whose dream is to become human so he can join a jazz band . His name comes from the famous jazz artist and trumpeter, Louis Armstrong . Eric Goldberg, the supervising animator of Louis and other miscellaneous characters, won the Annie Award for Character Animation in a Feature Production for his work on the film . </Li> <Li> Jim Cummings as Ray, a Cajun firefly . He and his vast family are close friends with Mama Odie, so he offers to help the frogs get to her . Ray has an unrequited love for the Evening Star, which he believes is another firefly named "Evangeline" (a reference to the 19th - century Longfellow poem). Mike Surrey was the supervising animator for Ray . Ray's name comes from the blind pianist Ray Charles . </Li> <Li> Keith David as Doctor Facilier, also known as the Shadow Man, a voodoo bokor (witch doctor). He is depicted in the image of Baron Samedi and / or Ghede Nibo wearing a tailcoat and tophat . Bruce W. Smith, supervising animator of Doctor Facilier, referred to the character as the "lovechild" of his two favorite Disney Villains: Captain Hook from Peter Pan (1953), and Cruella de Vil from One Hundred and One Dalmatians (1961). Smith was nominated for the Annie Award for Character Animation in a Feature Production for his work . </Li>

Who plays the lightning bug in princess and the frog