Cast Age Comparison
| Actor | Character | Actor Age | Char Age | Conf | Diff | Source/Hints | |
|---|---|---|---|---|---|---|---|
 |
Robert Downey Jr. | Tony Stark / Iron Man | 47 | 42 | C4 | +5 | Wikipedia confirms birth date May 29, 1970 • Marvel Database confirms May 29, 1970 birth date |
 |
Chris Evans | Steve Rogers / Captain America | 30 | 27 | C4 | +3 | Wikipedia confirms birth date July 4, 1918 • ScreenRant confirms birthdate visible on enlistment form in The First Avenger |
 |
Mark Ruffalo | Bruce Banner / The Hulk | 44 | 42 | C3 | +2 | MCU Wiki lists birth date December 18, 1969 • Wikipedia confirms December 18, 1969 birth date |
 |
Chris Hemsworth | Thor | 28 | 1494 | C4 | -1466 | Wikipedia states Thor was born approximately 1500 years ago • Thor states he is 1500 years old in Infinity War (2018) |
 |
Scarlett Johansson | Natasha Romanoff / Black Widow | 27 | 27 | C4 | 0 | Wikipedia confirms birth date December 3, 1984 • ScreenRant confirms 1984 birth year from Captain America: The Winter Soldier |
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