(written from a Production point of view)
Tim Ransom (born 19 April 1963; age 53) is the actor who played the genetically-engineered Human Jack in the Star Trek: Deep Space Nine episodes "Statistical Probabilities" and "Chrysalis". He had previously auditioned for the role of Dr. Bashir on the show.
Ransom had a supporting role in the 1990 film Vital Signs. Star Trek: Enterprise guest star Jack Gwaltney also had a supporting role in this film. He also appeared in a telefilm called Fever the following year, also featuring Gregg Henry. Another 1991 made-for-TV movie he appeared in, Son of the Morning Star, featured Dean Stockwell and Terry O'Quinn.
His other feature film credits include Desperately Seeking Susan (1985, with Robert Joy, Timothy Carhart, John Hoyt, and Isabel Lorca), Outbreak (1995), and Courage Under Fire (1996). He also made several appearances on the TV series Nash Bridges, playing the role of Frankie Dwyer.