Socrates, who is the narrator.

Glaucon.

Adeimantus.

Polemarchus.

Cephalus.

Thrasymachus.

Cleitophon.

And others who are mute auditors.

The scene is laid in the house of Cephalus at the Piraeus; and the whole dialogue is narrated by Socrates the day after it actually took place to Timaeus, Hermocrates, Critias, and a nameless person, who are introduced in the Timaeus.