"Lux Radio Theater" broadcast a 60 minute radio adaptation of the movie on March 15, 1937 with Marlene Dietrich reprising her film role.
"The Screen Guild Theater" broadcast a 30 minute radio adaptation of the movie on December 1, 1940 with Marlene Dietrich reprising her film role.
John Gilbert was initially cast as Carlos Margoli. Promised to be his comeback role after a string of flops, he filmed a few Technicolor costume tests with Marlene Dietrich (whom he was dating at the time). He had a heart attack in his dressing room only days before shooting started and was immediately replaced by John Halliday. A few days after his abrupt replacement, Gilbert died of alcohol-induced heart failure.
One of over 700 Paramount Productions, filmed between 1929 and 1949, which were sold to MCA/Universal in 1958 for television distribution, and have been owned and controlled by Universal ever since.