despite only working with the untouchables for five weeks, gardner was the real-life inspiration behind abel fernandez's character of agent william "bill" youngfellow, serving under robert stack's eliot ness in the original 1959–1963 "the untouchables" t.v. series. he also inspired michael horse's character, george steelman, native american agent under tom amandes's ness, in the revived series syndicated to local stations in 1993.