(written from a Production point of view)
Mark Humphrey (born 22 May 1985; age 35) is the former child actor who played Lito in the Star Trek: Deep Space Nine third season episode "Meridian" in 1994. Due to his young age during production, Chris Humphrey signed for Mark Humphrey on the daily television production report on Thursday 29 September 1994.
Between 1990 and 1994, Humphrey appeared in thirty episodes of the children program Kidsongs along with fellow Star Trek alumni Hassan Nicholas and Christopher Aguilar. He also portrayed Michael in several episodes of the children program Tiger Troops (1991-1996). 
Other appearances include episodes of Mr. & Mrs. Smith (1996, with Scott Bakula, Louis Giambalvo, and Leslie Neale), 7th Heaven (1996, with Stephen Collins, Catherine Hicks, Gabrielle Union, James Nardini, and Erich Anderson), and King of the Hill (1998, with the voices of Pamela Segall and Stephen Root).