Myrna Loy, Una Merkel, "Evelyn Prentice" (1934). Photo credit: MGM (File Reference # 34580-266THA)
Marlene Dietrich, Una Merkel, "Destry Rides Again" (1939) Universal. File Reference # 34408-380THA
Ricardo Cortez, Una Merkel, "The Maltese Falcon" (1931) Warner Bros.
File Reference # 33371_270THA
Chester Morris, Una Merkel, "The Bat Whispers" (1930) United Artists
File Reference # 33371_208THA