Nelson Wright (played by Kiefer Sutherland) is a protagonist in Flatliners.
Ambitious medical student who initiates the near-death experiment in 1990. Rachel Mannus (played by Julia Roberts) appears in Flatliners.
Conscientious medical student who joins the experiment and confronts her past. David Labraccio (played by Kevin Bacon) appears in Flatliners.
Reckless medical student haunted by childhood bullying and past mistakes. Winnie Hicks (played by Kimberly Scott) appears in Flatliners.
Medical student dealing with guilt over a childhood incident involving a boy. Randy Steckle (played by Oliver Platt) appears in Flatliners.
Medical student participating in the dangerous flatlining experiment. Joe Hurley (played by William Baldwin) appears in Flatliners.
Charismatic medical student with a troubled past involving women and guilt. Billy Mahoney (played by Joshua Rudoy) appears in Flatliners.
Childhood bully who appears in David's haunting visions. Rachel's Father (played by Benjamin Mouton) appears in Flatliners.
Rachel's strict father whose expectations weigh heavily on her.