In a separately filmed trailer, Vitaphone production reel #2989, cast members introduce the film.
In September 1928, Warner Bros. Pictures purchased a majority interestin First National Pictures and from that point on, all "First National" productions were actually made under Warner Bros. control, even though the two companies continued to retain separate identities until the mid-1930's, after which time "A Warner Bros.-First National Picture" was often used.
Vitaphone production reels #3301-3308.