Massimo Boldi as Archimede Formigoni

Vincenzo Salemme as Salvatore Rondinella

Enzo Salvi as Enzo 'Figaro'

Daryl Hannah as Maggie Granger

Natalia Estrada as Ana Montez

Francesca Lodo as Jennifer

Brigitta Boccoli as Margherita

Armando De Razza as Diego De La Vega

Federico Zanandrea as Mongini

Niccolò Contrino as Ugo

Ashley Burritt as Nicole

David Alan Poe as Patrono Di Nozze (con il nome David Hodges)

Kim Grogg as Miss Sally

Nicoletta Boris as Prof.ssa Cataldi

Luis Molteni as Preside

Gorka Aguinagalde as Poliziotto Spagnolo

Antonello Morroni as Spagnolo Cocainomane

Clelia Piscitello as Gina 1, sorella di Archimede

Simonetta Guarino as Gina 2, sorella di Archimede

George McDaniel as Senatore Morrison

Andrea Langi as Janet

Giovanni Trevisanello as Cuoco

Roberto Pedicini as Voce narrante