Note
Film non distribuito in edizione italiana.
Da afi.com: “The Tip-Off initially was copyrighted by Universal Pictures as The Stool Pigeon on 25 Jul 1928, under number LP25488. It is possible that the title change and new registration were intended to distinguish the Universal film from the 1928 Columbia picture Stool Pigeon…, which was released in late Oct 1928 and copyrighted on 27 Nov 1928 under number LP25871”.
Copyright: Universal Pictures Corp. 25/7/1928 LP25488 e 15/5/1929 LP379.
Lunghezza: 1252,50 m, 5 rulli.
Il personaggio interpretato da George Hackathorne è "Shrimp" Riley su afi.com.