Background
Welch was born in Fort Belvoir, Virginia.
Welch was born in Fort Belvoir, Virginia.
He began his career at the University of Dallas where he attended on a full scholarship.
In 1999, Welch appeared in National Broadcasting Company"s Third Watch. In 2000, he appeared in the television series Law & Order: Special Victims Unit, the short film Custody, and the television film Hamlet. He then appeared in an episode each of The Practice, Law & Order: Criminal Intent, and Whoopi.
In 2004, Welch appeared in the films Marie and Bruce, The Stepford Wives, and Keane.
In 2005, he again appeared in Law & Order: Special Victims Unit, and also had roles in the films The Interpreter and War of the Worlds. In 2006, he had roles in the television shows, The Book of Daniel and The Sopranos, as well as the films The Hoax and The Good Shepherd.
He had roles in the 2008 films What Just Happened, Vicky Cristina Barcelona, and Synecdoche, New New York He also appeared as David Haig in the television series Law & Order from 2008–2010.
In 2009, he appeared in the film Whatever Works and the television series Nurse Jackie.
In 2010 he appeared as Grant Test in the Administrative Management College series Rubicon. In 2012, he appeared in the films The Master and Lincoln as Clerk of the House Edward McPherson, as well as a role in the television series Elementary. In 2013, he also had a role in the films Syrup and Admission, with a role in the television series Golden Boy.
At the time of his death, he was filming his scenes as Peter Gregory in the Home Box Office series Silicon Valley, having completed five episodes.
Cast members have said Welch"s character would not be written out of the show, and that future episodes would feature mentions of Peter Gregory in tribute. Welch had an extensive stage career.
He appeared in several noted Office-Broadway productions, as well as in three Broadway shows. Welch also narrated The Last Apprentice Series audiobooks, a young adult fantasy series, for Harper Audio, as well as a wide range of other audiobooks.
Welch died due to complications of cancer on December 2, 2013, at a hospital in Santa Monica, California.
He was 48 years old.