Riker Lynch is an American actor, singer, and musician, best known as a member of the band R5. Born on November 6, 1991, in Littleton, Colorado, he gained fame for his role as Jeff in the Disney Channel series Austin & Ally. Riker is also recognized for his participation in the reality competition show Dancing with the Stars. In addition to his work in television, Riker has pursued a successful music career with R5, which includes his siblings Ross Lynch, Rydel Lynch, and family friend Ellington Ratliff. The band has released several albums and toured extensively, showcasing their pop-rock sound.