Paul McCusker (born October 3, 1958) is an American writer and producer. He is best known for his work on Adventures in Odyssey, a nationally syndicated radio drama, and for his work with Focus on the Family's Radio Theatre. He has written over 50 books, 21 plays and 4 musicals. His best known works are the play "Catacombs", the novels The Mill House and Epiphany, and his audio adaptations of C.S. Lewis's works.