Martina Cariddi began her training at the Escuela Municipal de Arte Dramático de Madrid in 2010. In 2013 she enrolled at the Centro de Nuevos Creadores de Cristina Rota de Madrid, where she took some basic acting courses. She has also trained at the Estudio Juan Codina and received acting classes from Dario Facal and Luis Blat. Finally, she studied in the Royal Academy of Dramatic Art Rada in London. 

Furthermore she has participated in the film El Guardián Invisible, by Fernando González Molina, in the serie of TV1 Cuéntame cómo pasó, in Mientras dure la Guerra by Alejandro Amenábar and has co-starred in the Netflix series Élite (from the 4th to the 6th season).