Romans
- Caius Marcius – later surnamed Coriolanus
- Menenius Agrippa – Senator of Rome
- Cominius – consul and commander-in-chief of the army
- Titus Larcius – Roman general
- Volumnia – Coriolanus' mother (historically, Veturia)
- Virgilia – Coriolanus' wife
- Young Martius – Coriolanus' son
- Valeria – chaste lady of Rome and friend to Coriolanus' family
- Sicinius Velutus – tribune
- Junius Brutus – tribune
- Roman Citizens
- Roman Soldiers
- Roman Herald
- Roman Senators
Volscians
- Tullus Aufidius – general of the Volscian army
- Aufidius' Lieutenant
- Aufidius' Servingmen
- Conspirators with Aufidius
- Adrian – Volscian spy
- Nicanor – Roman traitor
- Volscian Lords
- Volscian Citizens
- Volscian Soldiers
Other
- Gentlewoman
- Usher
- Volscian senators and nobles
- Roman captains
- Officers
- Messengers
- Lictors
- Aediles
