Tobey went in their teens to the University of California, where he studied at the Little Theatre this university. Later he was able to study thanks to its experience for one and a half years at the Neighborhood Playhouse in New York, where even classmates as Gregory Peck, Eli Wallach and Tony Randall were. From the year 1940 he worked on Broadway and made his film debut in 1943 in the film The man of the ferry. His Hollywood debut was in a Western Clarence E. Mulford of. His most important role he played in the 1951 science fiction classic The Thing from Another World, a production of Howard Hawks.
In his retirement years, he often received acting jobs from people who had grown up with his science - fiction films of the 50s and Tobey considered as a good actor. Also for the fans, he has appeared in soap operas. Together with other actors made Tobey normal movies to comedies.
In 2002, Tobey died at the age of 85 years of natural causes.