Inspector Killany of the New York City police department is called in to investigate the murder of a subway passenger and the usual-and-unusual suspects climb on and off at each stop.
Inspector Killian
Dale Tracy
Detective Kearney
Edward Tracy
Paul Bordon
Herman Stevens
Mason
Mr. Cotton
Mrs. Cotton
Mr. Blotnick
Mrs. Blotnick
Mrs. Mary Mullins (as Julianne Leighton)
Mulvaney
Prizefighter
Sheck
Zippe
Motorman
Miss Smith
Guard
Flapper
Mrs. Delaney
Sydney
Thomas
