As a screenwriter, Ludlow’s adaptation of Jack London's THE CALL OF THE WILD, which starred Rutger Hauer and was narrated by Richard Dreyfuss, received critical acclaim. He scripted the 2008 Lifetime TV movie STORM CELL, which starred Mimi Rogers. He adapted the Canadian novel TRACING IRIS, which became Movie Central’s THE RIVERBANK, starring Kari Matchett. He also adapted the novel NAKED DRAGON, which was released as an independent feature.