Two approaches to studying political actors’ career trajectories are represented in this article. Using the career approach, the author analyzes career trajectories of the fifth and sixth State Duma deputies from the «Just Russia» party to understand transformation of the spoiler party composition since its foundation. It is revealed that there are no systemic factors of deputies’ recruiting, however there are several channels of recruiting and models of career trajectories after leaving the State Duma. It is demonstrated that these channels and models differentiate from each other in the fifth and sixth convocations.