There was a black crewman with kinda bulgy eyes that kept popping up from time to time. I can't recall the ep. exactly but it's one where they turn the mess hall into a sickbay & Janeway sits down next to him and comforts him. Does anyone know who I'm talking about? He wears a security/engineering uniform.
^ Yeah, I know him. He remained unnamed AFAIR.
My bad - he was Ensign Ashmore - I was thinking of him instead of Ayala. A comprehensive list is here: