Clark Green is a fictional character on the U.S. comedy television series The Office. Clark is portrayed by Clark Duke. He is an original character and has no counterpart in the British version of the series. Clark, along with Pete Miller, is one of two staff members hired as customer service representatives at the Scranton branch of fictitious paper distributor Dunder Mifflin, replacing the outgoing Kelly Kapoor at the start of the show's ninth and final season.