John Donovan is portrayed as a complex character, described as a cold, yet loyal friend to Lincoln Clay. He's a former CIA operative, deeply experienced in covert operations and intelligence gathering. Donovan is portrayed as intelligent, passionate, and skilled, prioritizing loyalty, service, and duty to his country. a white man with short, dark hair, often styled with a slight wave,. He has a relatively clean-shaven face, with a slightly stern expression. Wears a tan suit, light shirt and tie.