That same year, she played Ashley Kowalski, the granddaughter of Clint Eastwood's character, in Gran Torino.

Walker played Connie Stevens in Quentin Tarantino's Once Upon a Time in Hollywood (2019).

From 2008 to 2009, Walker appeared in the first two seasons of Gossip Girl as Hazel Williams, one of Blair Waldorf's minions.

In 2010, Walker starred as Harper Grace in the two-part miniseries Seven Deadly Sins.

[4] She played the role of Becca in eight episodes of the first five seasons of the drama series The Good Wife.