Rachel McAdams, known for her roles in rom-coms and dramas, confronts the theme of death. Her Broadway debut in "Mary Jane" explores the challenges of caring for a seriously ill child. Having limited experience with the subject, McAdams was drawn to the play's powerful script. Despite her reduced on-screen presence, she remains committed to telling meaningful stories and entertaining audiences. The play's emotional weight has impacted the cast and creators, leading to personal reflections on love, spirituality, and community.