What actors and actresses appeared in I Live Again - 1936?

You're likely thinking of the 1934 film "I Live Again", which is also known as "The Scarlet Empress". This film starred:

* Marlene Dietrich as Catherine the Great

* John Barrymore as Grigori Potemkin

* Akim Tamiroff as Prince Orloff

* Sam Jaffe as Count Panin

This film was directed by Josef von Sternberg and is known for its opulent sets, costumes, and Dietrich's powerful performance.