The Mermaid Theory

Cast

• 

  Josh Radnor

  Ted Mosby

• 

  Neil Patrick Harris

  Barney Stinson

• 

  Jason Segel

  Marshall Eriksen

• 

  Alyson Hannigan

  Lily Aldrin

• 

  Cobie Smulders

  Robin Scherbatsky

• 

  Jennifer Morrison

  Zoey Pierson

• 

  Kyle MacLachlan

  George Van Smoot

• 

  Tamara Lynn Davis

  Iris

• Angus McClelland

  Angus

• 

  Lyndsy Fonseca

  Daughter

• 

  David Henrie

  Son