Alien Trespass is a 2009 science-fiction comedy film based on 1950s sci-fi B movies, directed by R.W. Goodwin.
 It stars Eric McCormack and Robert Patrick.
 The film was shot in Ashcroft, B.C.
Will & Grace is an American sitcom created by Max Mutchnick and David Kohan.
 Set in New York City, the show focuses on the relationship between best friends Will Truman (Eric McCormack), a gay lawyer, and Grace Adler (Debra Messing), a straight interior designer.
 The show was broadcast on NBC from September 21, 1998 to May 18, 2006, for a total of eight seasons, and re-started its run on NBC on September 28, 2017.
 During its original run, "Will & Grace" was one of the most successful television series with gay principal characters.
Grace Elizabeth Adler (formerly Adler-Markus) is a fictional character in the American sitcom "Will & Grace", portrayed by Debra Messing.
 A Jewish interior designer living in New York City, she lives with her gay best friend, Will Truman (played by Eric McCormack), for a majority of the series.
 She is also the employer of Karen Walker (Megan Mullally) and the friend and neighbor of Jack McFarland (Sean Hayes).
Travelers is a science fiction television series created by Brad Wright, starring Emmy Award-winning actor Eric McCormack.
 The series is a co-production between Netflix and Showcase.
 The first season comprises 12 episodes and premiered on Showcase on October 17, 2016; the entire series premiered globally (outside of Canada) on Netflix, on December 23, 2016.
 On February 8, 2017, Netflix and Showcase renewed the show for a second season.
 Season 2 production began in March 2017, ahead of the Canadian premiere on Showcase scheduled to air on October 16, 2017, which will be followed by a Netflix release.
Mike Sussman (born June 22, 1967) is an American television writer and producer.
 He is best known as a writer and producer of the "Star Trek" franchise and as the Co-Creator and Executive Producer of the TNT one-hour drama "Perception", starring Emmy® Award-winner Eric McCormack as a crime-solving neurologist. "
Eric James McCormack (born April 18, 1963) is a Canadian-American actor known for his role as Will Truman in the American sitcom "Will & Grace" and Dr. Daniel Pierce in the American crime drama "Perception".
William "Will" Truman is a fictional character on the American sitcom "Will & Grace", portrayed by Eric McCormack.
 He is a lawyer who lives in the Upper West Side of New York City with his best friend, Grace Adler.
 The series also portrays his relationship with the two other main characters, Karen Walker (Megan Mullally) and Jack McFarland (Sean Hayes).
Perception was an American crime drama television series created by Kenneth Biller and Mike Sussman.
 The series stars Eric McCormack as Dr. Daniel Pierce, a neuropsychiatrist with schizophrenia who assists the FBI on some of their most complex cases.
Lovespring International is an American comedy series created by Guy Shalem and Brad Isaacs which aired on Lifetime on Mondays at 11pm during the Summer of 2006 in the United States.
 Lovespring was canceled on December 1, 2006.
 Executive produced by Big Cattle Productions (established by "Will & Grace"'s Eric McCormack and business partner, Michael Forman, the show revolves around six employees at "Lovespring International", a dating agency located in Tarzana, California (even though it sells itself as an "elite Beverly Hills" company).
 There is at least one guest star per episode, and that guest is the seeker of a "match" in any particular episode.
"Perception" is an American crime drama created by Kenneth Biller & Mike Sussman, which aired on TNT from July 9, 2012, through March 17, 2015.
 The series stars Eric McCormack as Dr. Daniel J. Pierce, a schizophrenic neuropsychiatrist and college professor, who is enlisted by the FBI to assist on some of their most complex cases.

Question: Eric McCormack from the TV series Perception and Will & Grace also appears in which sci-fi series?
Answer: Travelers