[7] At the age of six, Maslow began training as a singer when his parents placed him in the San Diego Children's Choir.

[8] At SDSCPA, he portrayed lead roles in select feature productions, including Danny Zuko in "Grease" (2004) and Marius in "Les Miserables" (2006).

Also in 2013, he filmed an episode of See Dad Run, playing the role of actor Scott Baio's former TV son, Ricky.

In 2007, Maslow sent his audition tape for a new Nickelodeon sitcom and received the role of James Diamond two years later in the show Big Time Rush, along with Kendall Schmidt, Carlos Pena Jr., and Logan Henderson.

The next year in 2022 February 25, The Forever Tour came out and "Not Giving You Up" On March 4, 2014, ABC announced that Maslow would take part in the 18th season of Dancing with the Stars.

In a vote on Twitter, Maslow was nevertheless chosen "in a landslide" to perform an encore of his freestyle dance during the season finale.

During his time on the show, Maslow earned the first perfect score of the season for his contemporary dance to "Let It Go" from Frozen on Disney Night.

In May 2019, it was announced that Maslow would be starring in independent film We Need to Talk, co-starring Emily Bett Rickards, and written and directed by Todd Wolfe.

[17] Maslow received a nomination in 2014 at the annual Young Hollywood Awards for hottest body which he lost to former Dancing With The Stars competitor Derek Hough.

"Celebs Gone Good Awards", though he failed to make the winners list as Taylor Swift had won that time for the third consecutive Year.

[48] He has also been recognized with an Australian Astra Award nomination for Favorite International Actor or Personality at the 2011 event, but did not win.