Unnamed Xyrillians
A list of unnamed Xyrillians.

Ah'len's embryo 

This female embryo, and future daughter of Ah'len and Trip Tucker , was carried for over eight days by Tucker, after it began growing out of his pericardium. Fortunately when it was discovered that Tucker was "pregnant", and the  was able to locate the Xyrillians, it was determined to still be "early enough to transfer the embryo to another host." At the time up to the transfer, she was described as looking "very healthy." ()

Ah'len's parents 
T'Pol speculated that when Tucker viewed a holographic representation of Ah'len's homeworld, she might have next introduced him to holographic versions of her parents, which might have been a precursor to marriage, as it was on some planets. ()

Crewmen 

These crewmen were members of a Xyrillian starship whose engines were malfunctioning and was using 's plasma exhaust to replenish its engines. ()

Crewwoman 

The crewwoman was a member of a Xyrillian starship whose engines were malfunctioning and was using Enterprises plasma exhaust to replenish its engines. ()

Engineer 

This engineer assisted  and Ah'len in repairing the warp drive of the Xyrillian starship in 2151. ()

fr:Xyrilliens
Xyrillians