Acting Blackburn began performing in 2004 and appeared on the series
Unfabulous on
Nickelodeon. In the following year he was a teacher in the short film
The Doers of Coming Deeds. In 2008, he made a cameo in the film
Next of Kin. In 2009, Blackburn appeared in
Cold Case and
Rockville CA, a webseries launched by
Josh Schwartz. In 2010, he appeared on
Days of Our Lives,
Gigantic, and was also in the independent film
Peach Plum Pear. In October 2010, Blackburn was cast in a recurring role as Caleb Rivers in the television series
Pretty Little Liars. He was upgraded to series regular for the third season starting in the summer of 2012. Blackburn also starred as Pete in the six-episode web series
Wendy, a project developed by
Alloy Entertainment and
Macy's that was based on
Peter Pan which premiered on September 15, 2011. In 2012, he starred in drama
Hiding alongside
Ana Villafañe,
Jeremy Sumpter,
Dean Armstrong and
Dan Payne. In May 2013, it was announced that Blackburn would star in the 2013
Pretty Little Liars spin-off
Ravenswood. In March 2018, Blackburn joined the cast of
The CW series
Roswell, New Mexico as Alex Manes, a character initially introduced as a love interest to
Michael Vlamis's Michael Guerin. Blackburn remained a series regular on the show during its four-season run until it ended in 2022.
Music For his role in
Alloy Entertainment web series
Wendy, Blackburn recorded
Golden State's "Save Me" to be used as the show's theme song, which was released on August 15, 2011. He recorded "Find a Way" in 2012 for the then
ABC Family (now renamed
Freeform) show,
The Secret Life of the American Teenager. The song was also featured on ABC Family's other shows, including
The Fosters and
Pretty Little Liars, the latter of which Blackburn starred on. Subsequently, Blackburn released an extended play titled "Find My Way - EP" in 2013 which was released on Apple Music. Blackburn has also recorded several songs with Novi, including a feature on Novi's song titled "Can't Love Me". The song was then featured in the twelfth episode of
Roswell, New Mexico. on which Blackburn starred on during its four-season run. Blackburn also performed a song called "Would You Come Home" on the thirteenth episode of season two of
Roswell, New Mexico as his character, Alex Manes. ==Personal life==