In this section are collected brief sketches of the characters in Becoming Jason, in order of appearance.

Pelias and Neleus, the twin sons of Tyro and Poseidon
Old woman beside the River Anaurus
Polemides, his daughter Phylomache and the other conspirators
Aeson, King of Iolcus and his family
Tyro, mother of Pelias and Neleus
Sidero, wife of Cretheus and step-mother of Aeson
Acastus, son of Pelias
Cheiron, son of Cronus
Chloe
Aeacus, son of Zeus, and Endeïs, daughter of Cheiron
Telamon, son of Aeacus
Peleus, son of Aeacus
Heracles, son of Zeus
Pythia, oracle of Delphi
Nessus, son of Ixion, a mortal centaur
Orpheus, son of Oeagrus
Admetus, son of Pheres
Creon, son of Meoeceus and Eteocles and Polyneices, sons of Oedipus
Phocus, son of Aeacus
Eurytion, son of Actor and his daughter Antigone
The oracle at Dodona
Eurytus son of Ixion, another mortal centaur
Argus, son of Arestor
Aegeus, son of Pandion
Pirithous, son of Ixion
Theseus, son of Aegeus and Aethra
Nestor, son of Neleus
Pholus, son of Ixion, a mortal centaur
Periclymenus, son of Neleus
Augeas, son of Phorbas
Castor, son of Tyndareus and Polydeuces, son of Zeus
Meleager, son of Oeneus, and his uncles Iphicles, son of Thestius, and Laocoon, son of Portheus
Anticleia, daughter of Autolycus, Laertes, son of Acrisius
Eurystheus, son of Sthenelus
Hylas, son of Theiodamas