Watch Laura Lansing Slept Here for Free: How to Stream the Movie Online at 123Movies. . With a glittering cast that includes Katharine Hepburn and Karen Austin in lead roles, Laura Lansing Slept Here is a humorous family movie. Hepburn plays Laura Lansing, a novelist who undergoes an identity crisis as, despite her fame and fortune, she feels something is missing from her life. Entering into a quest to return a degree of normalcy to her life, Lansing's attempts provide many comedic moments, as well as a salient lesson for the famous author.