Jacob Zachar is 38 years and 6 month(s) old. He was born in 16 May, 1986. Best known for portraying the role of Rusty Cartwright, a classic nerd and engineering student at CRU known for his honest nature who joins a social fraternity named Kappa Tau Gamma to be more cooler and confident like his sister, in the hit ABC's hit comedy-drama television series Greek.