In the mid-nineties, he wrote and produced Halloween radio dramas which were broadcast annually and won a fellowship from the Milwaukee Art Futures Board.

[3] Filmmakers Chris Smith and Sarah Price began filming Borchardt while he was attempting to put together funding for his unfinished feature Northwestern.

[4] After Coven was completed, Smith and Price compiled their footage into American Movie, which was picked up by Sony Classics and won the Grand Jury Prize at the 1999 Sundance Film Festival.

In 2004, he played himself in a cameo appearance on the television cartoon series Family Guy,[7] along with friend and American Movie co-star Mike Schank.

(2014), had a leading role in the horror feature The Hagstone Demon (2011),[8] and played Mr. Englan in the directorial debut of fellow Milwaukee filmmaker Jozef K. Richards, The Amateur Monster Movie (2011).

[9] In addition, Borchardt also made a cameo in the music video for the Leslie and the Ly's song "Zombie Killer" featuring Elvira, Mistress of the Dark on guest vocals.