Who played Frankie in the Elvis Presley film "Frankie and Johnny"?

"Frankie and Johnny" is a 1966 American musical film starring Elvis Presley as a riverboat gambler. The role of "Frankie" was played by Donna Douglas from "The Beverly Hillbillies" TV series. The film reached #40 on the Variety weekly national box office list for 1966. The budget of the film was estimated at $4.5 million. The director was Frederick De Cordova, who was the director and producer of "The Tonight Show Starring Johnny Carson".

Donna Douglas (born Doris Ione Smith; September 26, 1932 – January 1, 2015) was an American actress and singer, known for her role as Elly May Clampett on "The Beverly Hillbillies" (1962–1971). Following her acting career, Douglas became a real estate agent, gospel singer, inspirational speaker, and author of books for children and adults.

During the 1966 summer hiatus of The Beverly Hillbillies, Douglas made her only starring feature film appearance, cast as Frankie in Fred de Cordova's "Frankie and Johnny" (1966) with Elvis Presley. The film proved popular but it did little to advance Douglas' big-screen career.