- Country: USA
- Genres: Crime, Drama, Film-Noir
- Release: 1950-11-16
- Director: Boris Ingster
- Writers: Milton Raison , Bert C. Brown , Leo Townsend , Boris Ingster
- Language: English
- Stars: Don DeFore , Don DeFore , Andrea King , George Tobias , Barry Kelley , Morris Ankrum , Robert Osterloh , Charles Cane , Kippee Valez , Joe Turkel , John Harmon
- Runtime: 73 min
- Awards: N/A
- AKA: Politiets signal (Denmark) , Southside 1-1000 , Billetes falsos (Argentina) , Dinheiro Sangrento (Brazil) , Unter Einsatz des Lebens (Austria) , Unter Einsatz des Lebens , Southside 1-1000 (United States of America) , I astynomia en drasei (Greece) , Union 1-1000 (United States of America) , Southside 1-1000 (Romania) , Southside 1-1000 (Canada) , 秘密警察 (Japan) , Il segreto del carcerato (Italy) , Línea secreta (Spain) , Ring kriminalen 1-1000 (Sweden) , Billetes falsos (Mexico) , Forgery (United Kingdom) , Geheimagent unter Falschmünzern (Austria) , Vaaran varjossa (Finland)
- Plot: The US secret service goes after a counterfeit ring, whose engraver Eugene Deane has covertly constructed his plates while serving a life sentence in San Quentin. In order to infiltrate the gang, federal agent John Riggs poses as an Eastern kingpin who wants to purchase a large quantity of the fake currency. During his investigations he falls in love with beautiful Nora Craig...
- IMDB:tt0042989
Southside 1-1000 Cast · · · ALL
Boris Ingster
Director
Don DeFore
John Riggs / Nick Starnes
Andrea King
Nora Craig
George Tobias
Reggie
Barry Kelley
Bill Evans
Morris Ankrum
Eugene Deane
Robert Osterloh
Albert
Charles Cane
Harris
Kippee Valez
Singer
Joe Turkel
Frankie