Question: For which film, did the actor whose first credited screen role was in the film Mighty Joe Young, win an Academy Award ?
Sentence (from "Mighty Joe Young (1949 film)"): Produced by Merian C. Cooper, who wrote the story, and Ruth Rose who wrote the screenplay, the film was directed by Ernest B. Schoedsack and stars Robert Armstrong (who appears in both films), Terry Moore, and Ben Johnson in his first credited screen role.
Relevant evidence: Yes