Complex sentence: The play, described as one of Coward's worst and poorly received critically and popularly, only ran a short time, after which Hayward received an offer from MGM to appear in "The Flame Within".
Split into simpler sentences: The play, described as one of Coward's worst and poorly received critically and popularly, only ran a short time. After the debacle, however, he received an offer from MGM to appear in "The Flame Within".