Namesakes
Fictional Characters from Song Titles:
2 characters
(character) Cassie 2005 Cassie 
(character) Cassie 2011 Cassie's Brother
Fictional Characters from Television:
3 characters
Cassie Brady 1965 Days of Our Lives
Cassie Phillips 1986 Matlock
Cassie Holt 1999 Family Law
Olympic Medalists:
1 bronze
(bronze) Cassie Patten 2008 swimming - marathon 10 km