Justin Martin net worth: Justin Martin is a cast member of the reality show Duck Dynasty who has a net worth of $500 thousand. Justin Martin has been working with Willie Wobertson and the Duck Commander company since 2008. Martin works alongside Jase Robertson and John Godwin to physically build all of the company's famous the duck calls. Martin is particularly notable for his large size. He is frequently given a hard time for being a big guy. Soon after joining the crew, Phil Robertson nicknamed Justin "Friar Tuck". When he isn't making duck calls, you can find Justin hunting ducks with the family. On these outings, Martin is usually responsible for the less desirable tasks like cutting brush and hauling heavy gear.