He is known for taking on serious and dramatic roles, such as a serial killer in Frozen (1998) (for which he won a Tony Award) and a priest accused of child molestation in Doubt: A Parable (2004), for which he received a Tony Award nomination.
Han er kendt for at spille alvorlige og dramatiske roller, såsom en seriemorder i Frozen (for hvilken han vandt en Tony Award for) og en anklaget præst for børnemisbrug i Doubt.