Detective Sgt. Riley — The Girl on the Train Character Profile

About Detective Sgt. Riley

Investigating officer who questions Rachel regarding Megan's disappearance and later interviews Rachel and Anna about the death of Tom. Oversees the investigation that shifts suspicion among the neighbors and verifies alibis.

Character Facts

Played by

Allison Janney

Appears in

The Girl on the Train (2016)

Role

Supporting

More characters from The Girl on the Train

• Rachel Watson (Emily Blunt)
• Anna Watson (Rebecca Ferguson)
• Megan Hipwell (Haley Bennett)
• Scott Hipwell (Luke Evans)
• Oyster Bar Woman (Cleta Elaine Ellington)
• Tom Watson (Justin Theroux)
• Martha (Lisa Kudrow)
• Pool Player (Fernando Medina)
• Woman with Child (Rachel Christopher)
• Doctor (Lana Young)
• Officer Pete (Gregory Morley)
• Jason (John Norris)