Jessica McNamee (born June 16, 1986) is an Australian actress. She rose to fame in Australia playing roles in the Seven Network television programs Home and Away and Packed to the Rafters. From 2014 to 2015, she starred as patrol officer Theresa Kelly in the USA Network series Sirens. Her film roles include The Vow (2012) and Chips (2017). In 2017, she portrayed tennis player Margaret Court in Battle of the Sexes.
McNamee secured a role in the Seven Network soap opera Home and Away playing the role of Lisa Duffy. She went on to star as Sammy Rafter in the television series Packed to the Rafters.
The role of Sammy in Packed to the Rafters left McNamee keen to lose the "good girl" image the role created. In the series production breaks, she decided to take on different roles. She starred in the horror film The Loved Ones; which premiered at the Toronto International Film Festival in 2009. In mid-2010, she made the short film 50-50.