Cast Age Comparison
| Actor | Character | Actor Age | Char Age | Conf | Diff | Source/Hints | |
|---|---|---|---|---|---|---|---|
 |
Timothée Chalamet | Paul Atreides | 25 | 15 | C4 | +10 | Dune Wiki: Born 10176 AG, novel states 'shortly after his fifteenth birthday' in 10191 AG |
 |
Rebecca Ferguson | Lady Jessica Atreides | 37 | 37 | C4 | 0 | Dune Wiki: Born 10154 AG per Appendix IV, died 10256 AG |
 |
Oscar Isaac | Duke Leto Atreides | 42 | 51 | C4 | -9 | Dune Wiki: Born 10140 AG, died March 10191 AG at age 51 |
 |
Jason Momoa | Duncan Idaho | 42 | 45 | C3 | -3 | Dune Wiki (Expanded Universe): Born 10146 AG on Giedi Prime • Alternate canon (DE) lists birth as 10158 AG = 33 years |
 |
Stellan Skarsgård | Baron Vladimir Harkonnen | 70 | 81 | C4 | -11 | Dune Wiki: Born 10110 AG, died at age 83 in 10193 AG |
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