'Diamonds Aren't a Girl's Best Friend' by Robert Foster and Robert W. Gilmer

When a beautiful model is murdered, her best friend, Lauren, asks the Foundation for help. Posing as Lauren’s boyfriend, Michael begins his investigation and soon discovers that talent agent Bernie Mitchell is using his attractive girls to smuggle diamonds into the country…

David Hasselhoff (Michael Knight), William Daniels (K.I.T.T. [Voice]), Edward Mulhare (Devon Miles), Rebecca Holden (April Curtis), Wendy Kilbourne (Lauren Janes), Jo Ann Pflug (Nina Jurgenson), Lu Leonard (Mabel [Dog Lady]), Cameron Mitchell (Bernie Mitchell), Elizabeth Lindsey (Rachel Robinson), Rene Assa (Miller), Nicholas Guest (Chris Carlson), Nancy Ellison (Photographer)

Directed by Jeffrey Hayden
Produced by Robert Ewing

TX (US): 15th January 1984

Notes:
*Featuring Michael Knight, Devon Miles, April Curtis and K.I.T.T.