Episode description:  Heather's betrayal to Berk caused the Book of Dragons to fall into Alvin the Treacherous' hands, and Heather's imprisonment on Berk. In order to get the book back from Alvin, Astrid disguises herself as Heather and goes into Outcast Territory. Towards the end of her mission, Astrid learns and confirms Heather's true motives for helping the Outcasts-freeing her parents.

**Main Cast:**

* Jay Baruch- [Hiccup](http://www.imdb.com/character/ch0184179/?ref_=ttfc_fc_cl_t1)
* Zack Pearlman- [Snotlout](http://www.imdb.com/character/ch0137639/?ref_=ttfc_fc_cl_t2) 
* Christopher Mintz-Plasse- [Fishlegs](http://www.imdb.com/character/ch0137638/?ref_=ttfc_fc_cl_t3)
* America Ferrera- [Astrid](http://www.imdb.com/character/ch0137641/?ref_=ttfc_fc_cl_t4)
* T.J. Miller- [Tuffnut](http://www.imdb.com/character/ch0182921/?ref_=ttfc_fc_cl_t5)
* Nolan North- [Stoick](http://www.imdb.com/character/ch0137637/?ref_=ttfc_fc_cl_t6)
* Chris Edgerly- [Gobber](http://www.imdb.com/character/ch0182922/?ref_=ttfc_fc_cl_t7)
* Julie Marcus- [Ruffnut](http://www.imdb.com/character/ch0182043/?ref_=ttfc_fc_cl_t8)
* Thomas F. Wilson- [Bucket](http://www.imdb.com/character/ch0363607/?ref_=ttfc_fc_cl_t9)
* Stephen Root- Mildew
* Tim Conway- Mulch 
* Andree Vermeulen- [Ruffnut](http://www.imdb.com/character/ch0182043/?ref_=ttfc_fc_cl_t12)
* Mark Hamill- [Alvin the Treacherous](http://www.imdb.com/character/ch0416679/?ref_=nm_flmg_act_111)

List of Episodes can be found: [here](http://en.wikipedia.org/wiki/List_of_DreamWorks_Dragons_episodes#Season_2:_Defenders_of_Berk_.282013.E2.80.932014.29)

Riders of Berk: episode 11 "Heather Report Part 2" discussion thread