SUMARIO. Credits and Careers / An Introduction / Starting Lines: Entry Points and the Web of Colleague Affiliations / Up from Sprinkler Drain / No Musical Revolutions: Some Prompt Effects of Commercial Conventions / A Small Army: Career Mobility and Precariousness in the Middle Area / Symbolic Interaction / Dual Interests: Opposing Tendencies and the Positive Aspects of Conflict / Centrality in a Freelance Social Structure: Career Performances and Professional Networks / The Chosen Few: Selectivity and Career as Retrospective Success / Big Hollywood, Little Hollywood