sentences:  Actor Terry O'Quinn, who appears in this episode as Lt. Brian Tillman, later appeared as two different characters in the 1998 feature film and the ninth-season episode "Trust No 1", respectively.He later had a recurring role as Peter Watts on "Millennium", the sister series to "The X-Files", and appeared in the short-lived series "Harsh Realm".O'Quinn later earned the nickname "Mr.