- Captain Edward John Smith
- Margaret "Molly" Brown
- Benjamin Guggenheim
- Sir Cosmo Edmund Duff Gordon
- Lady Lucille Duff Gordon
- Thomas Andrews
- J. Bruce Ismay
- Joseph Bell
- John Jacob Astor IV
- Madeleine Astor
- Ruth Elizabeth Blanchard
- Jack Thayer
- Harold Bride
- Charles Joughin
- Colonel Gracie IV
- Helen Churchill Candee
- Dorothy Gibson
- Lawrence Beesley
- Father Thomas Byles
Characters Based on Real People
- Rose DeWitt Bukater (based on Helen Churchill Candee)
- Caledon Nathan Hockley (based on Benjamin Guggenheim)
- Brock Lovett (based on Lewis Bodine)
- Ruth (based on Ruth Elizabeth Blanchard)
- Molly Brown (based on Margaret "Molly" Brown)