* Gianfranco Brero as Juan 'Johnny'
* Ana Laura Mercader as Mariana 'Mary'
* Julio Chávez as Raúl 'Rulo'
* Patricia Kraly as Laura
* Jorge Marrale as Alejandro 'Alejo'
* Pablo Novak as Federico 'Fede'
* Virginia Innocenti as María Inés 'Marisa'
* Daniel Freire as Juan 'Johnny', child
* María Alché as Mariana 'Mary', child
* Juan Cruz Bordeu as Raúl 'Rulo', child
* María Socas as Laura, child
* Ignacio Quesada as Alejandro 'Alejo', child
* Martín Piroyansky as Federico 'Fede', child
Supporting cast
* Mónica Gonzaga as María Eugenia 'La Colo'
* Oscar Ferrigno as Don Ernesto
* Lita Soriano as Doña Elvira
* Jorge Sassi as Don Ricardo
* Mirta Busnelli as Doña Elena
* Ana María Giunta as Tía María
* Luis Machín as Tío Carlos
* Graciela Tenenbaum as Mónica
* Jorge Troiani as Juan 'Johnny' (voice)
* Silvia Montanari as Mariana 'Mary' (voice)
* Rubén Pires as Raúl 'Rulo' (voice)