Leif Johannesen
Leif Johannesen is an actor who played an Angosian senator in the  third season episode . As a background actor he received no credit for his appearance and was identified by the name tag of his costume which was sold off on the It's A Wrap! sale and auction on eBay. 

Johannesen was also listed on the call sheet for the fifth season episode  as a Starfleet officer in a corridor scene (scene 17) but was replaced by Keith Rayve.

Performers
TNG performers