Peter Sellers
Aldo Vanucci / Federico Fabrizi
Acting
Victor Mature
Tony Powell
Acting
Britt Ekland
Gina Vanucci aka "Gina Romantica"
Acting
Martin Balsam
Harry
Acting
Akim Tamiroff
Okra
Acting
Paolo Stoppa
Polio
Acting
Tino Buazzelli
Siepi
Acting
Mac Ronay
Carlo
Acting
Maria Grazia Buccella
Bikini Girl
Acting
Lando Buzzanca
Police Chief
Acting
Lydia Brazzi
Mamma Vanucci
Acting
Vittorio De Sica
Himself
Directing
Maurice Denham
Chief of Interpol
Acting
Tiberio Murgia
1st Detective
Acting
Francesco De Leone
2nd Detective
Acting
Carlo Croccolo
Cafe Owner
Acting
Nino Musco
Mayor
Acting
Pier Luigi Pizzi
Doctor
Art
Lino Mattera
Singer
Acting
Piero Gerlini
1st Gaoler
Acting
Daniele Vargas
Prosecutor
Acting
Franco Sportelli
Judge
Acting
Giustino Durano
Critic
Acting
Mimmo Poli
Fat Actor
Acting
Enzo Fiermonte
Raymond
Acting
Angelo Spaggiari
Felix Kessler
Acting
Mario Del Vago
Manuel Ortega
Acting
Timothy Bateson
Michael O'Reilly
Acting
David Lodge
Policeman
Acting
Lucia Cavalieri
Bingo Player (uncredited)
Acting