Loretta Long. Actress: Sesamstraße. Best known for her role of Susan on the children's show Sesamstraße (1969), Loretta Long has also worked as a schoolteacher and has a Ed.D. in education from the University of Massachusetts. Before joining "Sesame Street" as one of the original 1969 cast members, Ms. Long was in another public-television production called "Soul." She was also involved in summer stock productions of Sweet Charity, Guys and...