Wally Cassell, nascut Oswaldo Silvestri Trippilini Rolando Vincenza Castellano (Agrigento, Itàlia, 3 de març de 1912 - Palm Desert, Califòrnia, 2 d’abril de 2015), va ser un actor i home de negocis nord-americà d'origen italià.

Wally Cassell was born on March 3, 1912 in Agrigento, Sicily, Italy as Oswaldo Castellano. He was an actor, known for White Heat (1949), Sands of Iwo Jima (1949) and Story of G.I. Joe (1945). He was married to Marcy McGuire. He died on April 2, 2015 in Palm Desert, California, USA.