ashleigh cummings (born 11 november 1992) is an australian actress. she has appeared in movies such as "tomorrow, when the war began" (2010), "hounds of love" (2016) and "the goldfinch" (2019). she is also known for starring as debbie vickers in "puberty blues" (2012–14), dorothy williams in abc1's "miss fisher's murder mysteries" (2012–15) and vic mcqueen in the amc series "nos4a2" (2019–20).