Harry Young
Harry Young is the actor who appeared as a science division officer in several episodes of . As a background actor he received no credit for his appearances and was identified by the call sheet for the episode . He also filmed a corridor scene for the episode  and was scheduled to appear in the scenes in the cave in the episode  but was either cut or not filmed.

Young appeared as a Klingon warrior in the fifth season episode  for which he filmed his scenes on Tuesday  and Wednesday  on Paramount Stage 9 and 16. He was scheduled to appear in Ten Forward scenes in the fifth season episode  and in sickbay scenes in the episode  but was not part of the final episodes.

Star Trek appearances

Recurring appearances 
 
  (Season 4)
  
 
 
 
 
 
 
  (Season 5)
 
  (Season 6)
 

Performers
TNG performers