|Michael Cole as Harlan Barrett|
|Portrayed by||Michael Cole|
|First appearance||March 7, 1991|
|Last appearance||November 22, 1991|
|Created by||Gene Palumbo|
|Introduced by||Gloria Monty|
|Died||November 22, 1991|
|Cause of death||Shot and killed by Bill Eckert|
|Occupation||Owner of Barrett Enterprises|
He was portrayed by Michael Cole.
Michael Cole stepped into the recurring role of Harlan Barrett on March 7, 1991. He made his last appearance on November 22, 1991 when his character was killed off.
In 1991, Harlan Barrett arrives in Port Charles to save the sunken vessel, the SS Tracy. Harlan notices Bill Eckert has the initiative to raise the ship with a unique invention and quickly hires Bill as the chief engineer for Barrett Industries.
Harlan is quite the ladies man and brags quite often that he could have any woman he wants. Currently he sets his sights on Tracy Quartermaine who is very taken with the exuberant Harlan. Dating the wealthy socialite would prove very beneficial, as Harlan is after stock in ELQ. He makes the mistake of angering Monica Quartermaine, Lucy Coe, and Tracy, who drug him and hold him captive overnight at the Quartermaine mansion.
Barrett, Leopold Taub, Faison, and Lord Ashton later form a cartel corner the market on international trade with the use of a dangerous carcinogen, carbon disulfide. This toxin is manufactured at a canning operation uses as an elaborate ruse for their true purpose. The cartel strong-arms, newcomer Paul Hornsby to marry his way into the Quartermaine family and snatch up their assets. Paul feeds the cartel information about Robert Scorpio's investigation. Bill is brought into the Cartel, but a deliriously wicked Faison wants Bill to prove himself before he is completely accepted. Bill's assignment is to kill Faison's nemesis, Robert Scorpio. By this time, Bill and Robert are good friends, so a "faux death" is arranged. Bill shoots Robert on the waterfront, but Harlan is not fooled, so he decides to shoot Robert again. Bill shoots and kills Harlan to protect Robert. The cartel's illicit activities come to an abrupt end. On Founder's Day, Leopauld Taub is killed, and Cesar Faison escapes. A grief-stricken Julia promptly ends her relationship with Bill. Harlan's other daughter, Brenda comes to town in 1992 after dropping out of boarding school to claim her inheritance.