Complex sentence: He co-starred as Mark on the short-lived ABC comedy series "Don't Trust the B ---in Apartment 23", and guest-starred on "2 Broke Girls" as Deke, Max's love interest and fellow pastry student.
Split into simpler sentences: He co-starred as Mark on the short-lived ABC comedy series "Don't Trust the B ---in Apartment 23". He guest-stars on "2 Broke Girls" as Deke, Max's love interest and fellow pastry student.