Cast Age Comparison
| Actor | Character | Actor Age | Char Age | Conf | Diff | Source/Hints | |
|---|---|---|---|---|---|---|---|
 |
Cynthia Erivo | Elphaba | 37 | 17 | C3 | +20 | Wicked Wiki (based on novel): 'at the age of 17, she is accepted to Crage Hall, the all-female college at Shiz University' |
 |
Ariana Grande | Galinda / Glinda | 31 | 17-19 | C2 | +13 | No explicit age given. As Elphaba's roommate and fellow freshman at Shiz, assumed to be similar college-entrance age (17-19) |
 |
Michelle Yeoh | Madame Morrible | 62 | - | C1 | No age specified in novel or musical. Only described as 'old and bed-ridden' in later scenes. Casting notes suggest 30-65 age range. | |
 |
Jonathan Bailey | Fiyero | 36 | 18 | C3 | +18 | Wicked Wiki (based on novel): 'At the age of 18, he enrolls at the Ozma Towers school at Shiz University' |
 |
Ethan Slater | Boq | 32 | 17-19 | C2 | +14 | No explicit age given. As a Munchkin student at Shiz alongside Elphaba and Glinda, assumed to be typical college-entrance age (17-19) |
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