Advanced Thanatology

Synopsis

While working on a case involving the ghost of a demented doctor, Sam and Dean get assistance from an unexpected source. Castiel finds his way back to the Winchesters.

Guest stars

Seth Isaac Johnson

Shawn Raider

Alisen Richmond-Peck

Penny Raider

Kayla Stanton

Jessica

SM

Sacha M. Romalo

Dr. Avery Meadows

Lisa Berry

Billie