Sam first used the name when he was in Colombia, identifying himself as "Deputy Assistant Intelligence Director Chuck Finley" to a nervous CIA agent over the phone. He had spotted the name on the cover of a sports magazine on the nearby desk of another CIA agent and remembered that he made a lot of money betting on Finley "back in the day" and figured it was a lucky name. (The Fall of Sam Axe)
Sam has used the names "Chuck Finley" or "Charles Finley" while:
- Episode 103: Fight or Flight: identifying himself as Cara Stagner's attorney over the phone to Alvaro DeSantos;
- Episode 108: Wanted Man: as the shadowy middleman to international criminal "Mr. Smith" (Michael Westen) to Lawrence Henderson;
- Episode 207: Rough Seas: as a shady businessman interested in buying Gerard's hijacked drug shipment; Michael, posing as a mild-mannered, asthmatic chemist, fearfully told Gerard that, "if the Devil had a name, it'd be Chuck Finley!"
- Episode 305: Signals and Codes