In the first sale of the SXSW Film Festival, Grace Glowicki’s Midnight movie “Dead Lover” has found theatrical distribution from a new boutique distribution venture, Cartuna x Dweck, which is a partnership between physical media company Cartuna and Dweck Productions, the company behind films such as “Christmas Eve at Miller’s Point” and “We’re All Going to the World’s Fair.”

Cartuna x Dweck acquired North American rights to “Dead Lover” following its Texas premiere at SXSW, and this will be the first release from the new venture, as the two companies have quietly been building an initial slate of films to be announced later this year. No release date for “Dead Lover” was announced.

“Dead Lover” is Glowicki’s sophomore feature, which she wrote, directed, and starred in, and it made its premiere in the Midnight section of this year’s Sundance film Festival. The film is a campy,...