Born in Montefiascone, Steni started her career as a child actress in the stage company led by Wanda Osiris.

[1] In the 1950s Steni started a long collaboration in radio, on stage and later on television with Elio Pandolfi.

[1][2] They were both part of the company Teatro Comico Musicale di Radio Roma, and in the 1960s they got a large success with a series of satirical musical comedies written by Dino Verde, particularly Scanzonatissimo and Urgentissimo.

[1][2] In the 1980s Steni formed a successful stage company together with Riccardo Garrone.

[2] Media related to Antonella Steni at Wikimedia Commons