Alex McKenna is an American actress and voice-over artist. She gained fame by playing Petunia Stupid in The Stupids (1996) and Mickey Apple in You Wish (1997). She resumed her acting career with guest appearances in CW hit teen drama series 90210 in 2010. In 2012, she had recurring appearances in the television series, including Dallas, Guys with Kids and Two and a Half Men. McKenna is also known for her role as Sadie Adler in the video game Red Dead Redemption 2 (2018).