Davies wrote and directed the documentaries The Making of the Hitchhiker's Guide to the Galaxy and Doctor Who: Thirty Years in the TARDIS. The latter was commissioned for and aired on BBC One in 1993, in conjunction with the 30th anniversary of Doctor Who. Davies later expanded the documentary for video release under the title More Than Thirty Years in the TARDIS. Portions of other interviews by Davies have also appeared on Doctor Who DVD releases, such as The Beginning box set, and the two-DVD set for City of Death. Davies has also worked on the DVD extras for other BBC titles, such as Dad's Army and The Andromeda Anthology.
In addition, Davies also worked in the animation department of the 1988 film Who Framed Roger Rabbit. Kevin also has one son, Liam, who is 17. Davies manages his own website on a Doctor Who classic series webzine blog. He illustrated the animated series of Hitchhiker's Guide to the Galaxy.