[3] More recently he directed several successful narrative feature films including MARS,[4][5][6] as well as producing and acting in the experimental documentary Yakona.
After high school he studied philosophy and math at St. John's College in Santa Fe, New Mexico and Annapolis, Maryland where he earned his BA from their Great Books Program in 1996.
[citation needed] The Phoenix New Times said "it should become the new national anthem"[18] and Cashiers du Cinemart said "that it's something I'd like to start my mornings with every day for the rest of my life.
[20][21] The film stars Mark Duplass, Paul Gordon, Zoe Simpson, Howe Gelb,[22] Michael Dolan, Liza Weil, James Kochalka,[11] Cynthia Watros, and Kinky Friedman[23] with appearances by Nicole Atkins and Don Hertzfeldt.
[28] It won several jury awards including honors from IndieMemphis,[29] The Dallas Video Fest,[30] The San Francisco Independent Film Festival [31] and Just For Laughs Chicago.
[11] The Village Voice describes MARS as "an inter-planetary indie that takes place in a world—and a format—of his [Marslett's] invention" and calls the look and tone "spacey, soothing, and strange.".
[33] Time Out London writes "Mars isn't just visually striking, it's also full of humour, heart and super-cute cartoon Martians",[34] and New York Magazine made it a critics pick when it played in Brooklyn.
[35] MARS was often noted for its visual style that the Washington Post said "eschews the mildly trippy look in favor of bold outlines, solid colors and a comic-book sensibility".
Adopting an appealingly low-key approach to a high-stakes subject, this gently observant drama from Geoff Marslett takes its sweet time introducing the girl to the gun, but when it does, we’re all but guaranteed to care.
He played the Shanty Santa in the short film The Quiet Girl's Guide to Violence[citation needed] which premiered at the 2012 Fantastic Fest.
[45][55] He appeared as Richard in Josephine Decker's Thou Wast Mild and Lovely[56] which premiered at the Berlin Film Festival in 2014 and was released in theatres by IFP[57] as part of the Screen Forward program.
He has also appeared in Izzy Shill's feature film Going Nowhere in 2022 as well as portraying the Unabomber (Ted Kaczynski) on the television program Murder Made Me Famous.
All of Marslett's films (as a director or producer), including MARS, Loves Her Gun, Yakona, and his Slacker 2011 segment,[58] have been noted for their strong attachment to and representation of the locations they take place in.