His first play Bullfight starring Hurd Hatfield opened off Broadway in 1954. It was followed by The Champagne Complex the following year. His play The Lovers (1956), starring Joanne Woodward, was later filmed as The War Lord (1965). He wrote the Broadway comedy The Marriage-Go-Round (1956), which he adapted to the screen, and produced, as a starring vehicle for Susan Hayward, which was released in 1961. He wrote the screenplay for the film The Left Handed Gun (1958) directed by Arthur Penn and starring Paul Newman.