Sgt. Kirk #4 was published by Ivaldi Editore on October 1, 1967, as part of a series that began in 1967. Hugo Pratt and Milton Caniff write, and art comes from Arturo Del Castillo and Jerry Robinson. It features Corto Maltese, Terry, Captain Rasputin, Sgt. Kirk and Cain Groovesnore, among 9 characters catalogued on VerseDB.