Final answer:
Antony and Octavius had a hostile and disdainful attitude toward Brutus's followers when they were captured, insulting them and plundering their belongings.
Step-by-step explanation:
The attitude of Antony and Octavius toward Brutus's followers when they were captured was hostile and disdainful. They insulted the Romans, plundered their belongings, and captured important individuals for ransom.
They also mocked and pretended to be afraid when the captives revealed their Roman identity.