Nero Wolfe

Michele La Ginestra

Spartaco Lanzetta (6 episodes)

Davide Paganini

Maresciallo Bordon (6 episodes)

Gianluca Cortesi

(6 episodes)

Salvatore Langella

Gaspare (4 episodes)

Roberto Mantovani

(2 episodes), Umberto Taccani (1 episode)

Roberto Nobile

(1 episode), Colonnello Corsini (1 episode)

Valentina Imperatori

(1 episode), Madre di Lele (1 episode)

Giovanni Calcagno

Faber (1 episode)

Elena Bouryka

Neya Tormic (1 episode)

Elena Radonicich

Carla Tormic (1 episode)

Damir Todorovic

Ludlow (1 episode)

Sara Bertelà

Sandra Falchi (1 episode)

Daniel Emilio Baldock

Vincenzo Barrera (1 episode)

Armando De Ceccon

Direttore del circolo (1 episode)

Mauro Serio

(1 episode)

Ivan Olivieri

Dottore (1 episode)

Francesco Pannofino

Nero Wolfe (1 episode)

Pietro Sermonti

Archie Goodwin (1 episode)

Giulia Bevilacqua

Rosa Petrini (1 episode)

Andy Luotto

Nanni Laghi (1 episode)

Marcello Mazzarella

Commissario Graziani (1 episode)

Maria P. Petruolo

Sara Colombo (as Mary Petruolo) (1 episode)

Jacopo Venturiero

Lele Borrelli (1 episode)

Mario Cordova

Arturo Borrelli (1 episode)

Dajana Roncione

Anna Fiore (1 episode)

Andrea Lolli

Agente immobiliare (1 episode)

Pietro De Stefani

Beppe (1 episode)

Orfeo Orlando

Ladro auto (as Orfeo Orlandi) (1 episode)

Anita Zagaria

Luisa Grandi (1 episode)

Roberta Mattei

Cecilia Grandi (1 episode)

Alessandro Riceci

Edoardo Bassi (1 episode)

Emanuele Salce

Augusto Dossena (1 episode)

Eugenia Costantini

Noemi (1 episode)

Caterina Misasi

Lucia Tanzi (1 episode)

Piero Cardano

Chico Grandi (1 episode)

Fabiana Formica

Evelina (1 episode)

Stella Novari

(1 episode)

Emanuela Rossi

Bianca Salvati (1 episode)

Eleonora Ivone

Ivana Tanzi (1 episode)

Viola Graziosi

Angela Giusti (1 episode)

Monica Dugo

Laura Ristori (1 episode)

Martino Duane

Carlo Previati (1 episode)

Alessio Caruso

Edoardo Canale (1 episode)

Linda Chang

Madre di Yu (1 episode)

Taiyo Yamanouchi

Li Jibao (as Yamanouchi Taiyo) (1 episode)

Francesca Ren

Yu (1 episode)

Fabrizio Contri

Repaci (1 episode)

Daniele Griggio

Lionel Clivers (1 episode)

Michele Di Mauro

Raul Bruni (1 episode)

Lavinia Longhi

Lara Fox (1 episode)

Corrado Solari

Antonio Sgroi (1 episode)

Diego Verdegiglio

Salvatore Sordillo (1 episode)

Gianluca Vannucci

Lord Clivers (1 episode)

Chiara Francini

Emilia Stoppani (1 episode)

Daniele Basile

Meduni (1 episode)

Claudio Bigagli

Dario Malaspina (1 episode)

Magdalena Grochowska

Esther Ferri (1 episode)

Paolo Sassanelli

Matteo Ferri (1 episode)

Marco Bonini

Ludovico Guastalla (1 episode)

Mimosa Campironi

Rossana Ferri (1 episode)

Federico Tolardo

Valerian Gorecky (1 episode)

Francesco Testa

(1 episode)

Luca Scapparone

Toni Savasta (1 episode)

Dina Braschi

Maria (1 episode)

Cristina Noci

Sara (1 episode)

Alessandro Feliù

Amico di Giacomo (uncredited) (1 episode)

Luca Barbareschi

Producer (8 episodes)

Claudio Gaeta

Executive producer (8 episodes)

Roberta De Luca

Production coordinator (1 episode)

Vincenzo Ianni

Unit Manager (1 episode)

Saverio D'Ercole

Creative Producer (8 episodes)

Rex Stout

Novel (5 episodes)

Grazia Giardiello

Writer (1 episode), Adaptation (1 episode)

Roberto Iannone

Adaptation (1 episode), Screenplay (1 episode), Writer (1 episode)

Alessandro Sermoneta

Writer (1 episode)

Chiara Laudani

Writer (1 episode)

Piero Bodrato

Writer (1 episode)

Mattia Donna

Compositors (1 episode)

Alessia Quattrocchi

Makeup Designer (1 episode)

Paola Bonucci

Costume design (1 episode)

Riccardo Donna

Director (6 episodes)