A silent version was shot simultaneously. This practice was common during the 1928-30 sound transition period.
No director at Paramount wanted to be the first to tackle sound so studio sound expert Roy Pomeroy was enlisted, under the guidance of William C. de Mille. Like most early talkies, this was a huge hit.
Lothar Mendes although credited as co-director, was in charge of producing the silent version, which was shot simultaneously.