Complex sentence: Gilpin had a recurring role on the TV series "Kate & Allie", and is a frequent "Law & Order" guest star, having appeared in all three series-- "Law & Order",', and'.
Split into simpler sentences: Gilpin had a recurring role on the TV series "Kate & Allie". Gilpin is a frequent "Law & Order" guest star, having appeared in all three series-- "Law & Order",', and'.