Season Regulars 5

  1. Johnny Galecki

    Johnny Galecki
    Leonard Hofstadter

  2. Jim Parsons

    Jim Parsons
    Sheldon Cooper

  3. Kaley Cuoco
  4. Simon Helberg

    Simon Helberg
    Howard Wolowitz

  5. Kunal Nayyar

    Kunal Nayyar
    Rajesh Koothrappali

Guest Stars 0

There are no cast records added to The Collaboration Contamination.

Crew 0

There are no crew records added to The Collaboration Contamination.

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