He also worked as a second unit director in several films, in which he specialised in set pieces including the James Bond films Casino Royale (1967) and On Her Majesty's Secret Service (1969) (the stock-car sequence) and Darling Lili (aerial sequences).
Like Darling Lili and Wild Rovers before this, The Carey Treatment was heavily edited without help from Edwards by the studio into a running time of one hour and 41 minutes; these edits were later satirized in his 1981 comedy S.O.B..
Darling Downs | Darling | Darling River | Darling Harbour | Alistair Darling | Ron Darling | Ralph Darling | Darling Lili | Darling Scarp | Miss MacIntosh, My Darling | Linda Darling-Hammond | Lili Kraus | Frank Fraser Darling | Darling Point | Lili Taylor | Hurricane Lili | Dennis Darling | Darling Violetta | Tonique Williams-Darling | My Darling is a Foreigner | Move Over, Darling | Merry Christmas Darling | Maria Darling | Lili Marleen | Lili Ivanova | Lili Haydn | Lili Damita | Lili Boniche | Lilí Álvarez | John Darling (comic strip) |
In addition to his work on Seventh Avenue, Mr. Brooks also designed the costumes for numerous Broadway plays, including Promises, Promises, No Strings, and Barefoot in the Park; television shows including The Letter, The Two Mrs. Grenvilles; and feature length motion pictures such as Star!, Darling Lili and The Cardinal, being nominated for the Academy Award for Costume Design for all three films.
Other later large-format and/or high-profile films Dunn's company did opticals for are My Fair Lady (1964), The Great Race (1965), Hawaii (1966), The Bible: In the Beginning (1966), Darling Lili (1970), and Airport (1970).