Complex sentence: He made appearances in the early TV series "Meet Millie" as the boss, and in the "Bewitched" TV series played the normally elusive McMann of McMann and Tate.
Split into simpler sentences: He made appearances in the early TV series "Meet Millie" as the boss. In one episode of the "Bewitched" TV series, he played the normally unseen McMann of McMann and Tate.