

In 2015, he co-hosted E!'s Live from the Red Carpet pre-show at the Billboard Music Awards. In addition to his film work, Borg has acted in a number of TV series, including Curb Your Enthusiasm, Workaholics, Silicon Valley, Counterpart, and The Good Place. He also voices a part in Trolls World Tour, produced by DreamWorks Animation and released in 2020. Beginning in 2017, he has done a great deal of voice acting, appearing in roles such as Hans the Horse in Blue Sky Studios' Ferdinand and the personal assistant Maybe in Disney's Oscar-nominated feature Ralph Breaks the Internet.

Later in 2016, Lionsgate Films announced a development deal with Borg under which he will serve as star, executive producer, and writer of two upcoming feature films. It won the Audience Award for Best Narrative Feature at the Slamdance Film Festival and was acquired by Gravitas Ventures and Orion Pictures for theatrical release. This led to appearances on talk shows such as Last Call with Carson Daly, as well as the first of many appearances on the Comedy Central game show Buddymoon, a feature film written and produced by Borg, David Giuntoli, and filmmaker Alex Simmons, and starring Borg and Giuntoli, was shown at several major film festivals in early 2016. In 2015, Borg co-starred in Pitch Perfect 2 as a leader of the German a cappella group Das Sound Machine (also known as DSM).
