(written from a Production point of view)
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Wilson Cruz (born 27 December 1973; age 46) is the American actor who portrays Doctor Hugh Culber, rank of lieutenant commander, in I AM ERROR.  His character is a medical officer of the USS Discovery and the love interest of Lieutenant Stamets, the character played by Anthony Rapp. 
Born in New York City with Puerto Rican heritage, he started his acting career by starring in the TV series My So-Called Life in 1994-1995. Cruz made his film debut in the 1995 biopic "Nixon" surrounded by fellow alumni Robert Beltran, Bill Bolender, Richard Fancy, Annette Helde, Michelle Krusiec, Saul Rubinek and Paul Sorvino. Cruz followed with the 1996 telefilm "On Seventh Avenue" with Stephen Collins, Ronald Guttman, Josh Pais and Anthony Zerbe. That year Cruz costarred in the sex comedy "Johns" with Tony Epper. In 2005, Cruz appeared in "Bam Bam & Celeste" with John Cho. 2006 had Cruz in the comedy "Coffee Date" costarring Leigh Taylor-Young. None of Cruz's later films made as much of a dent in the box office like his debut, but then Cruz was cast in the hit 2009 film "He's Just Not That Into You" joined by Googy Gress and Cristine Rose.
More recently, he appeared in episodes of Shameless (2016), 13 Reasons Why and Doubt (both 2017). That year, he also produced and appeared in a short movie called Billy's Blowjobs.