Guy Marlow was a male Human who lived in the 24th century. In the 2370s, Marlow held the rank of Lieutenant in Starfleet and was assigned to Starfleet Intelligence.
In 2374, Marlow was shot in the chest during the Starfleet retreat from the Kepla sector. Later in that year, Marlow, along with Wendy Chaplin, was assigned to assist Benjamin Sisko and Elim Garak prepare for a Dominion War conference in San Francisco.
Marlow and Chaplin later accompanied Sisko and Garak to the Alpha Centauri embassy in London. (DS9 novel: Hollow Men)