Ford didn't know what to do with Mister Roberts that wasn't repeating what was successful in New York. He was trying to do things to the play that would be his in the film.
“If someone is interested in medicine and also in physics and they like working with people and communicate well with others, I would strongly encourage them.”
“I didn't have to audition. That's common, but it had never happened to me before. Normally, I hate auditioning. I need to stew and think... let the character develop and grow inside me.”