|Season two appearances|
|21||Ourselves Alone||A Dangerous Maid||What Does the Bee Do?|
|Gimcrack & Bunkum||The Age of Reason||Peg of Old||Two Boats and a Lifeguard|
|Battle of the Century||Georgia Peaches||Under God's Power She Flourishes||To the Lost|
Arnold Rothstein's wife's cousin. Shot by Capone in the pilot episode. Returns at end of 2nd episode. Van Alden interrogates Simon in a dentist's office and puts his hand in his open gunshot-wound to elicit information, thereby killing Simon.