Cassandra Marie Sloan Shepherd or Cassie, she the younger half sister of Derek Shepherd and Mark Sloan. She's a third year resident at Seattle Grace, following in her older brothers footsteps to becoming a surgeon.
Cassandra Marie Sloan Shepherd or Cassie, she the younger half sister of Derek Shepherd and Mark Sloan. She's a third year resident at Seattle Grace, following in her older brothers footsteps to becoming a surgeon.
When Seattle Grace transforms into Seattle Grace Mercy West, Melonie Ann Grey comes in as a third year resident from Mercy West and continues her residency in Seattle Grace Mercy West. Little does sh...