Arneodo made her appearance in film in 1939 and made some 24 appearances between then and 1958,  appearing in films such as the 1942 film Adolescencia alongside Pola Alonso and Al marido hay que seguirlo (1948).
Arneodo's introduction to the big screen occurred in 1939 and she subsequently made a total of 24 film appearances between then and 1958, including notable movies like Adolescencia (1942) alongside Pola Alonso and Al marido hay que seguirlo (1948), which highlight her career.