Leo Mostovoy

Movies

Ten Thousand Bedrooms
Reporter (uncredited)
In this musical-comedy, Dean Martin plays an American hotel mogul who becomes smitten with a young Italian woman (Anna Maria Alberghetti) when buying a hotel in Rome. To marry this gal, he has to get her three older sisters married off.
Serenade
Chef (uncredited)
A wealthy woman discovers a vineyard worker with a beautiful operatic singing voice. She helps make him a star but then breaks his heart. He flees in misery to Mexico where he meets a sweet farm girl.
The Glenn Miller Story
A vibrant tribute to one of America's legendary bandleaders, charting Glenn Miller's rise from obscurity and poverty to fame and wealth in the early 1940s.
One Girl's Confession
Gambler (as Leo Mastovoy)
Cleo Moore stars as Mary Adams, whose first step on the road to ruin is a $25,000 robbery. Mary hides the money, then confesses to the crime, secure in the belief that she can dig up the loot upon her release from prison.
An American in Paris
Audience Member (uncredited)
Jerry Mulligan is an exuberant American expatriate in Paris trying to make a reputation as a painter. His friend Adam is a struggling concert pianist who's a long time associate of a famous French singer, Henri Baurel. A lonely society woman, Milo Roberts, takes Jerry under her wing and supports him, but is interested in more than his art.
I Love a Mystery
Vovaritch (Uncredited)
In San Francisco, detective partners Jack Packard and Doc Long are hired by socialite Jefferson Monk who believes someone is following him with the aim to kill him.
The Great Flamarion
French Entertainer (uncredited)
A beautiful but unscrupulous female performer manipulates all the men in her life in order to achieve her aims.
The White Cliffs of Dover
Bandmaster in Dieppe (uncredited)
American Susan travels with her father to England for a vacation. Invited to a society ball, Susan meets Sir John Ashwood and marries him after a whirlwind romance. However, she never quite adjusts to life as a new member of the British gentry. At the outbreak of World War I, John is sent to the trenches and never returns. When her son goes off to fight in World War II, Susan fears the same tragic fate may befall him too.
Madame Curie
Photographer (uncredited)
Poor physics student Marie is studying at the Sorbonne in 1890s Paris. One of the few women studying in her field, Marie encounters skepticism concerning her abilities, but is eventually offered a research placement in Pierre Curie's lab. The scientists soon fall in love and embark on a shared quest to extract, from a particular type of rock, a new chemical element they have named radium. However, their research puts them on the brink of professional failure.
His Butler's Sister
Headwaiter
Aspiring singer Ann Carter visits her stepbrother in New York, hoping to make it on Broadway.
Casablanca
Fydor (uncredited)
In Casablanca, Morocco in December 1941, a cynical American expatriate meets a former lover, with unforeseen complications.
Road to Morocco
Russian Announcer (uncredited)
Two carefree castaways on a desert shore find an Arabian Nights city, where they compete for the luscious Princess Shalmar.
Bridal Suite
Ptomkin - in Shipboard Brawl
A carefree playboy with an aversion to marriage falls for a lass he meets in the French Alps.
Wife, Husband and Friend
Minor Role
Woman hopes to be a great singer and is encouraged by her scheming teacher. After she flops her husband, encouraged by an amorous professional singer tries opera and also flops.