In the early 1940s he partnered with Walter Lantz to make a stop motion Technicolor dinosaur film for Columbia Pictures entitled Lost Atlantis.
After selling their studio complex to the Times Mirror Company for their TV station KTTV in May 1950, Nassour supervised the dinosaur sequences in The Lost Continent.
[6] Regiscope was used in the Mexican international co-production The Beast of Hollow Mountain that Edward directed based on designs by Willis O'Brien for his then-unfinished film The Valley of Gwangi.
[citation needed] In 1946, he married American film and radio actress Sharon Douglas (born Rhoda-Nelle Rader; October 16, 1920, Stephens County, Oklahoma – June 18, 2016); the couple had four sons together.
[4][7] Nassour had been in poor health and was found dead in Sherman Oaks, California with a self-inflicted knife wound to the heart.