Trivia

The play in which he starred that had the longest run, "The Moon Is Blue", was made into a film that caused a scandal in its time because it used the word "virgin" while showing a woman's bedroom. Cook played the same role that David Niven played in the 1953 film.

Appeared frequently on Broadway between 1938 and 1959. Cook appeared as "Donn Cook" there between 1926 and 1930.

Acted in vaudeville during the early 1920's. Came to films via Broadway, initially as leading man during the early sound era. Subsequently relegated to supporting roles.

Attended the University of Oregon.