Fathers have been neglected in investigations of the development, prevention, and treatment of anxiety and anxiety disorders in children and adolescents. This review provides a historical background of what is known about fathers' roles in the etiology of anxiety problems and provides evidence from bottom-up, top-down, and cross-sectional correlation studies of the connections between fathers' and their children's anxiety. Treatment and prevention programs are discussed in terms of the limited findings regarding fathers' involvement in treatment for children's and adolescents' anxiety problems. Finally, a model is presented to show the unique ways in which mothers and fathers are involved in the development of anxiety disorders in their children. Future directions for research in this area are highlighted.