Red Robin [Tim Drake; also as Tim Wayne]; Booster Gold [Michael Jon Carter] (cameo); Skeets (cameo); Tam Fox; Tiffany Fox; Vicky Vale; Dr. Leslie Thompkins; Chris Barbaro (first appearance); Lonnie Machin [MoneySpider]; Mortimer Drake [Cavalier]; Captain Boomerang [Digger Harkness] (villain); Anarky [Ulysses H. Armstrong] (villain)