Mercedes Alonso was born on 9 August 1940 in Santander, Cantabria, Spain. She is an actress, known for Estudio 1 (1965), Margarita se llama mi amor (1961) and Soledad (1958).

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"The Gentlemen" and "Slow Horses" return this fall, while the "Reacher" spin-off series "Neagley" makes its debut. See our guide of the biggest Fall TV and streaming releases.

2026 Fall TV and Streaming Watch Guide

&quot;The Gentlemen&quot; and &quot;Slow Horses&quot; return this fall, while the &quot;Reacher&quot; spin-off series &quot;Neagley&quot; makes its debut. See our guide of the biggest Fall TV and streaming releases.

Get a closer look at these actors from their many TV and streaming series roles.

Streaming Stars, Then and Now

Mrs. Erlynne / Carlota / Mercedes / Kettie / Clara

Mercedes Alonso(I)

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