Isaac Roth appears as a Minor Character in Grand Theft Auto IV, as well as a character in GTA IV: The Lost and Damned and The Ballad of Gay Tony.
Isaac was part of the Jewish Mob alongside friend Mori Green, his main bussiness being diamond dealing. His diamond deal with Jimmy Pegorino went south when Luis Lopez killed Mori Green and took off with the diamonds.
Isaac Roth: Character Info
- Game Edition
Grand Theft Auto IV, 
GTA IV: The Lost and Damned, 
GTA IV: The Ballad of Gay Tony
- Role Minor Character
- Role in TLAD Minor Character
- Role in TBoGT Minor Character
- Gender Male
- Born In Year 1976 (32 years old in 2008)
- Nationality
Israel, 
United States - Location Liberty City
- Occupation Diamond Smuggling
- Performer / Actor Modi Rosenfeld
- Affiliation
Ray Boccino 
Mori Green - Vehicles
PMP 600
Isaac Roth: Appearances
- Appearances in Story Missions:
- Museum Piece
- Late Checkout
- Collector's Item (The Lost and Damned)
- Not So Fast (The Ballad of Gay Tony)