born in Toronto, c. 1991
In the show, she is either 16 or 17, because she is in 12th grade with derek, but derek was left behind one year. so yeah. :P
He is 17!But,but in real-life he is 21 years
He is 22 years old
Derek and Casey on Life with Derek are step siblings. Casey and Emily are Nora's kids, and Derek, Edwin, and Martie are George's kids.
they were step brother and step sister