[3][4] Langworthy began his career in 1993, as a member of the editorial staff of American Heart, a drama film starring Jeff Bridges and directed by Martin Bell.

[7][8][9] In 2002, Langworthy filmed and produced videos of live performances of bands such as The White Stripes, Devo and No Doubt.

[10][11] In 2007, Langworthy co-wrote the screenplay for Cake: A Wedding Story with fellow Cambridge University alumni, Iain Weatherby.

[19][20] In 2019, Langworthy produced, wrote and edited the documentary Big Fur, which premiered at the Slamdance Film Festival.

[21] The film secured a distribution deal with 1091 Pictures,[22] and has earned a 100% approval rating on Rotten Tomatoes based on 14 reviews.