![Mark Walthour Portrait of Mark Walthour](http://actoragecheck.com/lost-image.jpg)
Movies (As Crew)
Sorted by Release Date![Death Becomes Her Poster of Death Becomes Her](http://actoragecheck.com/image/L3ZXY1hVOUoyUnh5SE45cVJYVzNHRGhHNDB0My5qcGcAACh231.jpg)
Death Becomes Her
Mark Walthour was
? in Death Becomes Her
as 'Chief Lighting Technician'.
Thu, Jul 30 1992
![Back to the Future Part III Poster of Back to the Future Part III](http://actoragecheck.com/image/L2Nyem9WUW5NeklyUmZIdFF3MHRMQmlyTmZWZy5qcGcAACh231.jpg)
Back to the Future Part III
Mark Walthour was
? in Back to the Future Part III
as 'Chief Lighting Technician'.
Fri, May 25 1990
![Back to the Future Part II Poster of Back to the Future Part II](http://actoragecheck.com/image/L2hRcTh4WmU1dUxqRnpTQnQ0TGFuTlA3U1FqbC5qcGcAACh231.jpg)
Back to the Future Part II
Mark Walthour was
? in Back to the Future Part II
as 'Chief Lighting Technician'.
Wed, Nov 22 1989
![Back to the Future Poster of Back to the Future](http://actoragecheck.com/image/L2ZOT0g5ZjFhQTdYUlR6bDFzQU94OWlGNTUzUS5qcGcAACh231.jpg)
Back to the Future
Mark Walthour was
? in Back to the Future
as 'Chief Lighting Technician'.
Wed, Jul 03 1985
TV Shows (As Crew)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages