The Final Frontier
5x6

The Final Frontier (2012)

← Back to episode
Probable Cause (5x5) Swan Song (5x7)

Season Regulars 8

  1. Nathan Fillion

    Nathan Fillion

    Richard Castle

  2. Stana Katic

    Stana Katic

    Kate Beckett

  3. Molly C. Quinn

    Molly C. Quinn

    Alexis Castle

  4. Jon Huertas

    Jon Huertas

    Javier Esposito

  5. Seamus Dever

    Seamus Dever

    Kevin Ryan

  6. Susan Sullivan

    Susan Sullivan

    Martha Rodgers

  7. Tamala Jones

    Tamala Jones

    Lanie Parish

  8. Penny Johnson Jerald

    Penny Johnson Jerald

    Victoria Gates

Guest Stars 17

  1. Ed Quinn

    Ed Quinn

    Gabriel Winters

  2. Christina Moore

    Christina Moore

    Stephanie Frye

  3. Armin Shimerman

    Armin Shimerman

    Benjamin Donnelly

  4. Erin Way

    Erin Way

    Audrey O'Neill

  5. John Bobek

    John Bobek

    Davis Hawthorne

  6. Chris L. McKenna

    Chris L. McKenna

    Simon Westport

  7. Juan Monsalvez

    Juan Monsalvez

    Commander Walsh

  8. Melinda Y. Cohen

    Melinda Y. Cohen

    Chloe Preston

  9. Jonathan Frakes

    Jonathan Frakes

    Richard Castle Fan

  10. P.J. Ochlan

    P.J. Ochlan

    Lt. Shane

  11. Jeff Galfer

    Jeff Galfer

    Henry Barnett

  12. Anna Bowen

    Officer Tate

  13. John Gloria

    John Gloria

    Bartender

  14. Kari Klinkenborg

    Pretty Woman

  16. Channing Nichols

    Channing Nichols

    Teenage Girl

  17. Arye Gross

    Arye Gross

    Sidney Perlmutter

Crew 2

Directing

  1. Jonathan Frakes

    Jonathan Frakes

    Director

Writing

  1.

    Kate Sargeant

    Writer

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