Robert Morse (born May 18, 1931) is an American actor and singer. Morse is best known for his appearances in musicals and plays on Broadway. He has also acted in movies and television shows. His best known role is that of J. Pierrepont Finch in the 1961 Broadway musical and 1967 film How to Succeed in Business Without Really Trying. He is currently known for his recurring role as Bertram Cooper on the show Mad Men. Morse was born on May 18, 1931 in Newton, Massachusetts. After serving in the U.S. Navy during the Korean War, Morse appeared on Broadway as an actor. He created the role of Barnaby in The Matchmaker on Broadway in 1955 opposite Ruth Gordon and reprised the role in the 1958 film adaptation, this time opposite Shirley Booth. That same year, he won the Theatre World Award and was nominated for the Tony Award for Best Performance by a Featured Actor in a Play for Say, Darling. Morse had to lobby David Merrick for a role in Take Me Along, as there was a question if he could, at 28, play a convincing 16 year old. He could and did. What was considered the final step toward full stardom was his performance as J.