Marling co-wrote, co-produced, and acted in the 2011 films Sound of My Voice and Another Earth, directed by Batmanglij and Cahill respectively. Both of these films were featured at the 2011 Sundance Film Festival, with Another Earth winning the Alfred P. Sloan Prize for outstanding film with science, Technology or math as a major theme. In 2012, she played Richard Gere's daughter in Arbitrage.