Beautiful But Broke 1944
as Singer in Trio
The Boogie Woogieman 1942
as Gwen Brian
Tin Pan Alley 1940
as Singer
High School 1940
as One of the Brian Sisters
Music in My Heart 1940
as Member of Singing Trio (uncredited)
Second Fiddle 1939
as Vocal Trio Member
Little Miss Broadway 1938
as Gwen Brian
Kentucky Moonshine 1938
as Member of Vocal Specialty Trio (uncredited)
Sally, Irene and Mary 1938
as Member of Vocal Specialty Trio
Sunday Night at the Trocadero 1937
as One of the Brian Sisters
Thanks for Listening 1937
as Irene
New Faces of 1937 1937
as Singer
Our Gang Follies of 1936 1935
as Farm Girl Trio
Credits from TMDB.