Sara Tomko (born October 19, 1983) is an American actress known for playing Asta Twelvetrees in the science-fiction comedy series Resident Alien.

Tomko was born in 1983 on Wright-Patterson Air Force Base near Dayton, Ohio, into a military family,[1] and is of Polish and Slovak descent.

[2] She has stated that she is also of Native American descent, though she is not enrolled in any specific tribe.

[4] Tomko is known for her role as Asta Twelvetrees on Syfy's Resident Alien[5] and three episodes as Tiger Lily in season seven of ABC's Once Upon a Time[6]—returning for the series finale.

[9] She has additionally had roles in the films The Terminators (2009), Extracted (2012), and 400 Days (2015), among others.