Lucius Isaacson — The Alienist Character Profile

About Lucius Isaacson

A detective sergeant in the NYPD and twin brother to Marcus. He joins the secret investigative team alongside Kreizler, Moore, and Sara.

Character Facts

Played by

Matthew Shear

Appears in

The Alienist (2018)

Role

Supporting

More characters from The Alienist

• Laszlo Kreizler (Daniel Brühl)
• John Moore (Luke Evans)
• Sara Howard (Dakota Fanning)
• Theodore Roosevelt (Brian Geraghty)
• Cyrus Montrose (Robert Wisdom)
• Marcus Isaacson (Douglas Smith)
• Libby Hatch (Rosy McEwen)
• Bitsy Sussman (Melanie Field)
• Stevie Taggert (Matt Lintz)
• Captain Connor (David Wilmot)
• Thomas Byrnes (Ted Levine)
• Mary Palmer (Q'orianka Kilcher)