Kro was a Ferengi businessman who visited Deep Space 9 in 2369.
He was one of the bidders on Quark's and Vash's auction for Gamma Quadrant artifacts, held at Quark's Bar, alongside another Ferengi named Stol. (DS9: "Q-Less")
Kro was played by regular background actor and stand-in David B. Levinson who normally portrayed Broik.
Kro was not named in the episode but mentioned in the cast list of the script.