Complex sentence: She had an uncredited, nonspeaking role in Dylan Thomas' "Under Milk Wood" after coming to Britain in 1964, a role for which she did not get paid but for which she later recalled she did "get to snog Richard Burton".
Split into simpler sentences: She had an uncredited, non-speaking role in Dylan Thomas' "Under Milk Wood" after coming to Britain in 1964. She did not get paid for the part, but, as she later recalled, she did "get to snog Richard Burton".