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.
| Actor | Role |
|---|---|
 Katharine HepburnLaura Lansing | Laura Lansing |
 Karen AustinMelody Gomphers | Melody Gomphers |
 Brenda ForbesDoris | Doris |
 Joel HigginsWalter Gomphers | Walter Gomphers |
 Nicolas SurovyConway | Conway |
 Lee RichardsonLarry Baumgartner | Larry Baumgartner |
 Schuyler GrantAnnette Gomphers | Annette Gomphers |
 Moira Walley-BeckettViolet | Violet |
 Janet WrightFrancie | Francie |