Roles by Age
| Movie | Character | Actor Age | Char Age | Conf | Diff | Source/Hints | |
|---|---|---|---|---|---|---|---|
 |
Harry Potter and the Half-Blood Prince (2009) | Hermione Granger | 19 | 17 | C4 | +2 | HP Wiki: Born 19 September 1979. Turns 17 in September 1996, so is 17 for most of 6th year |
 |
Harry Potter and the Goblet of Fire (2005) | Hermione Granger | 15 | 15 | C4 | 0 | HP Wiki: Born 19 September 1979 (cited from Philosopher's Stone). She is oldest in their year, turns 15 in September 1994 |
 |
Harry Potter and the Prisoner of Azkaban (2004) | Hermione Granger | 14 | 14 | C4 | 0 | HP Wiki: Born 19 September 1979. She is oldest in their year, turns 14 in September 1993 before the school year starts |
 |
Harry Potter and the Chamber of Secrets (2002) | Hermione Granger | 12 | 13 | C4 | -1 | Born 19 September 1979, one year older than Harry/Ron • HP Lexicon confirms 1979 birth year - she had to be 11 at September 1991 enrollment |
 |
Harry Potter and the Philosopher's Stone (2001) | Hermione Granger | 11 | 12 | C5 | -1 | Born 19 September 1979 (canon from books). Older than Harry/Ron by almost a year. |
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