[1] He enrolled at the National Dramatic Arts Conservatory, and began his work in Buenos Aires' vibrant theatre scene in 1964 as an understudy, by which he befriended a colleague, Uruguayan émigré Carlos Perciavalle.

[3] The duo parted ways subsequently, and Gasalla was cast in a comic role in Tiro al aire (Shot in the Dark), a 1980 family film starring Héctor Alterio.

Portraying Mamá Cora, a mischievous nonagenarian in need of attention from her self-absorbed family, Gasalla underwent four hours of prosthetic and makeup work daily, while shooting lasted.

[6] Having had a falling out twenty years earlier, Gasalla and his erstwhile café-concert partner, Carlos Perciavalle, were reunited in a 1997-98 theatrical series in Punta del Este, Uruguay.

[10] Following a May 4, 2009, guest appearance in Marcelo Tinelli's Showmatch (as Olga, the opinionated make-up lady), the popular variety show's ratings reportedly jumped to some of the highest in local television history.