Background
Knapp was born in 1906 in Kansas City, Missouri, as Evelyn Pauline Knapp.
Knapp was born in 1906 in Kansas City, Missouri, as Evelyn Pauline Knapp.
She was a leading B-movie serial actress in the 1930s. She was the younger sister of the orchestra leader Orville Knapp (1904-1936). She started acting in silent films, her first role being in the 1929 film, At The Dentist"son
She was cast as leading lady in Smart Money in 1931, the only film starring both Edward G. Robinson and James Cagney.
In 1932, Knapp was one of fourteen girls, along with Ginger Rogers and Gloria Stuart, selected as "WAMPAS Baby Stars". She played the title character in the 1933 serial The Perils of Pauline.
She also played in Corruption that year opposite Preston Foster. One of her better known film roles was opposite Ken Maynard in the 1934 film In Old Santa Fe.
She worked through 1941, but her career slowed afterward.
In 1943, she played her last role, uncredited, in Two Weeks To Live, one of the Lum and Abner films starring Chester Lauck and Norris Goff.