Maryatt was a Space Surgeon with the Federation's Medical Corps. He saved Travis' life at some point, probably after Travis was severely injured by Roj Blake. He travelled with a young Ensor to Aristo, where he was to replace the micro-power cells that powered Ensor's heart implant. On the way he was forced to abandon ship over Cephlon when Servalan's bomb exploded, and was found dead on the surface in his impact life capsule by Gan and Jenna. According to Blake, Maryatt was probably dead before the capsule was launched.

Maryatt had a AA Security Clearance for access to any area in Space Command. Blake, searching through his effects, also found photographs of a woman, presumably his wife, and two children: Travis made reference to them going into slavery on one of the frontier worlds, apparently normal procedure in a case of