Rady made his acting debut in the feature film The Sisterhood of the Traveling Pants playing Kostas Dounas. He has appeared in other feature films with small parts including The Guardian. Rady also starred in the independent film InSearchOf.

Rady had a recurring role in the CBS summer series, Swingtown, playing philosophy teacher Doug Stephens. He appeared in the second season of Showtime's TV drama Sleeper Cell. Rady appeared as a guest star in two seasons of the ABC Family series Greek playing the Honors Polymer Science major and Honors Engineering Floor Resident Advisor Max Tyler. In 2009, he was cast in The CW series Melrose Place as Jonah Miller, an aspiring filmmaker.