Marianne Lane is a fictional character from the film A Bigger Splash, directed by Luca Guadagnino. She is portrayed by actress Tilda Swinton and is a famous rock star who is recovering from vocal surgery. The story unfolds on a remote Italian island, where her peaceful retreat is disrupted by the arrival of an old friend and his daughter. In the film, Marianne's character explores themes of fame, relationships, and personal transformation. Her interactions with other characters reveal the complexities of her past and the challenges she faces in her present life, making her a compelling figure in the narrative.