Nero Wolfe
Archie Goodwin
Fritz Brenner
Ispettore Cramer
Signorina Dacos / Anna Blount
Boyden Mc Nair
Claude Gebert
Dudley Frost
Callie Frost
Helen Frost
Otis Jarrell
Trella Jarrell
Roger Foote
Lois Jarrell
Susan Jarrell
Thomas Pratt
Mc Millan
Clyde Osgood
Frederick Osgood
Signora Bruner
Arthur Yarmack
Signora Althaus
Dottor Wollmer
Quayle
