When making a historical biopic, it's important to keep the dramatics up. "Then this happened, then this happened, etc." gets pretty tedious after a while. Jack London is one of the more boring biopics to avoid.
Michael O'Shea plays the title character, and while he seems to have had an eventful life, Ernest Pascal's screenplay managed to make his life look like a series of disjointed episodes. First he works in a factory, then he's falling in love with Virginia Mayo, then he's a sailor, then he's at war, then he's getting a college education, then he's writing, then he's falling in love with Susan Hayward. . . There's no linear connection to anything, and Jack London isn't really given enough character development to make the audience root for him and therefore overlook the bad screenplay.
Unless your favorite book is Call of the Wild, I wouldn't recommend watching this movie. For an interesting historical biopic, try The Adventures of Mark Twain or The President's Lady instead.
