Theatres in which Appel worked include Intiman Theatre, the Guthrie Theater, Indiana Repertory Theatre, Seattle Repertory Theatre, South Coast Repertory, PlayMakers Repertory Company, Arizona Theatre Company, Alliance Theatre Company, Milwaukee Repertory Theater, New Mexico Repertory, The Goodman Theatre, Court Theatre, Syracuse Stage, Repertory Theatre of St. Louis, San Jose Repertory Theatre, Utah Shakespearean Festival, and the Alabama, Colorado and Kern Shakespeare Festivals.
Jacob M. Appel | Jacob Appel | Karel Appel | Willard Libby | Libby Schaaf | Mike Appel | Libby Trickett | Libby Munro | Libby, Montana | Libby Davies | Lewis Libby | Kenneth Appel | Benjamin Appel | Peter A. Appel | Libby Township, Aitkin County, Minnesota | Libby Township | Libby Roderick | Libby Hathorn | Libby Copeland | Libby | L'Appel | Cour d'Appel du Québec | Association L'APPEL | Appel |