remember Stephen King's First Rule of Writers and Agents, learned by bitter personal experience: You don't need one until you're making enough for someone to steal ... and if you're making that much, you'll be able to take your pick of good agents.
The people are the government, administering it by their agents; they are the government, the sovereign power.
Satan works through human agents.
Pictures are packaged and cast by agents.
My agents and managers deserve a special Emmy award for scheduling.
Archaeologists are underpaid publicity agents for deceased royalty.