Ashleigh Cummings is an Australian actress. She became known for her role as Robyn Mathers in Tomorrow, When the War Began. The film, based on the book of the same name, earned Cummings a nomination for Best Young Actor at the 2010 Australian Film Institute Awards. Cummings is also known for her roles as Dorothy Williams in ABC1's Miss Fisher's Murder Mysteries, as Debbie Vickers in Puberty Blues, as Vic McQueen in the AMC series NOS4A2, as Abby Conroy in the Prime Video spy action thriller series Citadel, and as Kacey Fitzpatrick in the Peacock crime drama Long Bright River.