Doctor (as Walter Stahl)
Pit violinist Claudin hopelessly loves rising operatic soprano Christine Dubois (as do baritone Anatole and police inspector Raoul) and secretly aids her career. But Claudin loses both his touch and his job, murders a rascally music publisher in a fit of madness, and has his face etched with acid. Soon, mysterious crimes plague the Paris Opera House, blamed on a legendary "phantom".
Policeman (Uncredited)
Two newlyweds spy on the Nazis for the British Secret Service during their honeymoon in Europe.
Baron 'Pookie' von Steinkamp (uncredited)
Frenchwoman Michele de la Becque, an opponent of the Nazis in German-occupied Paris, hides a downed American flyer, Pat Talbot, and attempts to get him safely out of the country.
Baron's Guest (uncredited)
A radio correspondent tries to rescue a burlesque queen from her marriage to a Nazi official.
Yugoslav Consul (uncredited)
Rival reporters Sam and Tess fall in love and get married, only to find their relationship strained when Sam comes to resent Tess' hectic lifestyle.
Count Marlik
An Austrian prince flees his homeland when the Nazis take over and settles in London. He meets a beautiful Austrian émigré who makes him realize his mistake in leaving. He makes a deal with the Nazis to return in exchange for some Austrian prisoners, but discovers that the Nazis are not to be trusted.
Police Captain
An anti-Nazi on the run and a young Jewish couple race across Europe trying to escape Hitler's ever powerful influence.
Von Darnstadt (uncredited)
German Julius Reuter sends 19th-century news by carrier pigeon and then by wire, founding a news agency.
Doctor
True story of the doctor who considered it was not immoral to search for a drug that would cure syphillis.
Col. Hess
Hans Memling, a young intellectual, patriotic German, is secretly opposed to the Nazi regime. With the aid of Gustav Schultz, Father Pommer, Anna Wahl and others, he is gleaning accurate information from foreign radio broadcasts and distributing it through Germany with an underground-press operation. He convinces his brother-in-law Karl Bach, the brother of his wife Elsa, that Hitler is leading Germany toward a second world war. Karl, in love with Anna, joins the movement, determined to restore German culture and save the people from the brutality of the Storm Troopers and the Gestapo. The group has an inside link through Albert Stalhelm, a Storm Trooper and one of Hitler's Elite Guards. Albert is sickened by the brutalities he sees and wants to resign and flee Germany, but Hans persuades him to remain until they can find a replacement. He agrees, but warns the group that he is forced to join in the Nazi orgies and liquor loosens his tongue...
Senator de Valle (uncredited)
The newly-named emperor Maximilian and his wife Carlota arrive in Mexico to face popular sentiment favoring Benito Juárez and democracy.
Von Hemmer (as Walter Stahl)
Sad-eyed, uniquely talented child actress Edith Fellows was Columbia's "answer" to Shirley Temple, Jane Withers and Deanna Durbin. In Little Miss Roughneck, Fellows is cast as Foxine LaRue, a tomboyish sort who is being prodded into a show-biz career by her stage mother Gert (Margaret Irving). Young Mr. Partridge (Scott Colton) becomes Foxine's agent, principally because he's sweet on the girl's older sister Mary (Jacqueline Wells). Blackballed from Hollywood because of her mother's pushiness, Foxine tries to help out Partridge and her own family by cooking up a bizarre publicity stunt, enlisting the aid of easy-going Mexican "papacita" Pascual (Leo Carrillo).
Johan
Theater manager James Guthrie's (Melvyn Douglas) career depends on famed soprano Elsa Terry (Grace Moore) singing in his Buenos Aires opera house, however, Elsa breaks the contract in favor of a more lucrative deal in Paris. Desperate, James begins showering her with flowers and candy in an attempt to woo her to the Argentinian opera house. When Elsa overhears James confess to his friend Pancho that he'd be willing to resort to kidnapping to get Elsa to Argentina, she mistakenly believes his motives to be solely romantic.