The Undying

Sinbad/Nemo: born 770(?) CE (1100 years old?) looks 50
DeVargas/Robur: born 1500(?) CE (370 years old?) looks 50
Empress Nadira: born 1670(?) CE (200 years old?) looks 40
Victor von Frankenstein: born 1770(?) CE (100 years old?) looks 50
Alexi von Frankenstein: born 1820(?) CE (50 years old?) looks 25*


*Actually Alexi is from 1970, and is really 150 years old and still only looks 25.