'Ghosts' Season 4 Introduces Dean Norris and Mary Holland

New characters bring fresh dynamics and unresolved tensions to the CBS series' fourth season.

Dean Norris joins as Samantha’s estranged father, Frank, stirring up past family issues.
Mary Holland will play Patience, a severe Puritan ghost with a complicated history.
The new season will delve into Sam's strained relationship with her father.
Patience's return creates new conflicts within the ghostly ensemble.
Season 4 premieres on October 17 on CBS.