Alberto Manuel Rodríguez-Gallego González de Mendoza was an Argentine film actor who appeared in 114 films between 1930 and 2005, spanning eight decades.

A lifelong figure in Argentine films, De Mendoza appeared in film such as Adán y la serpiente in 1946 and A hierro muere in 1962 often working alongside Olga Zubarry. In the late 1960s and 1970 he appeared in a number of spaghetti Westerns. and also had a prominent role in the 1973 horror classic Horror Express, in which he co-starred alongside Christopher Lee, Peter Cushing and Telly Savalas.