© @Copyright HELLO! Hello! Magazine NCIS returned to screens on Tuesday night after a short hiatus with the guest star viewers have been waiting for - Pam Dawber!MORE: Who is Mark Harmon's wife Pam Dawber and who does she play on NCIS?The 69-year-old actress, and wife to Mark Harmon, made her debut on the episode playing a journalist named Marcie Warren, who reaches out to Gibbs after learning about the events that led to his suspension in the show's last instalment.