Cast Age Comparison
| Actor | Character | Actor Age | Char Age | Conf | Diff | Source/Hints | |
|---|---|---|---|---|---|---|---|
 |
Leonardo DiCaprio | Jack Dawson | 23 | 20 | C5 | +3 | James Cameron screenplay: 'both about 20' and 'very self-possessed and sure-footed for 20' |
 |
Kate Winslet | Rose DeWitt Bukater | 22 | 17 | C5 | +5 | James Cameron screenplay: '17 years old and beautiful, regal of bearing' |
 |
Billy Zane | Cal Hockley | 31 | 30 | C5 | +1 | James Cameron screenplay: 'the 30 year old heir to the elder Hockley's fortune' |
 |
Kathy Bates | Molly Brown | 49 | 45 | C5 | +4 | James Cameron screenplay: 'At 45, MOLLY BROWN is a tough talking straightshooter' • Historical: Margaret Brown born July 18, 1867, making her 44 in April 1912. Film uses age 45. |
 |
Frances Fisher | Ruth DeWitt Bukater | 45 | 40-45 | C2 | +2 | James Cameron screenplay: 'Ruth is a 40ish society empress' - approximate age only |
Actor Age
Actor’s real age when the production was filmed or released
Char Age
The character’s age as stated or implied in the story
Diff
Difference between actor age and character age (green = close, red = far apart)
Source/Hints
Where the character age was found or how it was inferred
Confidence Scale
C5
Canonical — age explicitly stated in the production
C4
Canonical — derived from dates or events in the story
C3
Strong secondary source (script, novelization, creator interview)
C2
Inferred range — estimated from context clues
C1
Unknown — no reliable age information found