Munro was born on a cattle station near Charleville, Queensland, before she moved with her family to a property west of Millmerran.

In 2004, she graduated from the Queensland University of Technology with a Bachelor of Business in Communications and in 2005 from The Performing Arts Conservatory Brisbane with an Advanced Diploma of Screen and Stage Acting.

In 2011, she attended The Groundlings school of improvisational comedy, the Ivana Chubbuck studios, and Film Fighting LA, all in Los Angeles.

Later that year, she appeared as Philippa Haymes in a theatrical adaptation of Agatha Christie's A Murder Is Announced for Mousetrap Production's Australian tour.

[7] In 2016, Munro performed in the Pulitzer Prize winning play Disgraced by Ayad Akhtar in the role of Emily.