Different style, I’d say Ben was more of a comedy actor than a comedian, but I take your point Bob.
The scene where the owner of the Baseball club (someone well known to Americans) is siting in the Costanza’s sitting room, telling them about George’s supposed death is so funny, Frank is siting there fulminating, rocking back and forth wringing his hands seemingly in grief, then shouts a the guy “what the hell did you trade Jay Buner (Sp) for?”