Mir
5'11, 165 pounds, dark hair, intelligent blue eyes, decent looking.  Wears a black form-fitting flight suit under his white medical jacket when he wears it.  His body language changes when he wants to escape notice or make an impression, depending on circumstances.  There is a glimmer of sadness in his eyes on occasion, but mostly the facade of humor masking whatever pain is below the surface.

He has dexterous hands, and carries a few pieces of equipment with him, including a set of goggles that apparently help his diagnostic skills.