What was the name of director John L. Sullivan's (Joel McCrea's) "serious" film that he wanted to research in Sullivan's Travels (1941)?

Oh Brother, Where Art Thou? was the film in planning that set director John L. Sullivan on the road.

He had become famous doing popular movies like Hey Hey in the Hayloft and So Long, Sarong.

How many film versions of Holiday have there been? There were two film versions of Holiday. The 1930 film featured Ann Harding as Linda Se-ton and Robert Ames as John Case, the roles taken by Katharine Hepburn and Cary Grant in the…
Whose face was so unforgettable in the title role of The Passion of Joan of Arc (1928)? Falconetti (Marie Falconetti, 1901-46), a French stage actress, starred in The Passion of Joan of Arc (1928) by Carl Dreyer. This was Falconetti's only film.
How long has the FBI been in operation? An agency called the Bureau of Investigation was instituted in 1908 by President Theodore Roosevelt. He believed that the federal government should have an arm to enforce federal law. It was renamed the…
Where was suave, vaguely foreign Paul Henreid born? Most famous for his role as Victor Laszlo in Casablanca (1942), Paul Henreid was born in Trieste, Italy, in 1908, but grew up in Vienna.
How did John Ford, John Wayne, and Ward Bond start making movies together? In the 1920s, John Wayne was a University of Southern California student who worked as a laborer and bit player on the Fox lot, where he got to know director John Ford. In…