There are multiple acts under the name of Castor Troy.

1) An experimental/hardcore/metal band from Plymouth,UK http://www.myspace.com/mfcastortroy

2) Now defunct hardcore band from the UK. http://www.myspace.com/castortroy
Released their debut EP 'This City Will Destroy Us' on Calculon Records early 2007

3) A screamo band from Wisconsin, US. http://www.myspace.com/castortroywi. Castor Troy (US) broke up in 2005 after a series of compilation appearances and the independent release of two EPs (2002 & 2004). Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.