FBI Carousel Bulletin: Agent Durant, meet former Agent Durant. Dean Harens holds on in this part, and his predecessor in that role, Douglas Henderson, plays S.A.C. Converse. That part, however, was introduced by Don Eitner in two first-season episodes.
So, we have parts, and we have actors, and we put them all in this big bucket, and there comes the producer with the stirring spoon ... At least, the leads were constant. Whew.