[4] From 1942 to 1945, during the Second World War, Keller worked with editor Norval Crutcher on cataloging the film shot by combat cameramen in Europe.
[6] From 1952 to 1956, Keller worked as an editor with Frank Capra on the first four films of The Bell Laboratory Science Series, sponsored by the American Telephone and Telegraph Company.
"[12] Emanuel Levy wrote in 2003 that, "Bullitt contains one of the most exciting car chases in film history, a sequence that revolutionized Hollywood's standards.
Billy Fraker, the cinematographer for the film, attributed the success of the chase sequence primarily to the work of the editor, Frank P. Keller.
At the time, Keller was credited with cutting the piece in such a superb manner that he made the city of San Francisco a "character" in the film.