|Portrayed by||Michael Hogan|
|First appearance||Red John's Rules|
|Last appearance||Red John's Rules|
|Family|| Kevin Barlow (brother, deceased)|
Sean Barlow is a character who appears in Red John's Rules.
Barlow, who claims to be a real clairvoyant, said that Alex was a "wicked man" who abused the faith of trustful people, knowing that he and his family didn't have real psychic powers. Furthermore, he claims that Red John has real powers.