Vorenus was dead. Cicero was dead. Antony was dead. Brutus was dead. Cassius was dead. Pompey was dead. Caesar was dead. Octavian ruled for 42 years. There wasn't much of anywhere else to go.
For an idea of what it could have been there is always "I, Claudius."
For an idea of what it could have been there is always "I, Claudius."