Eddie Zigo
Father George
John Hubbard
Ann Zigo
Tom Duncan
David Berkowitz
Guido Pressano
Jim Halsey
Nick Zigo
Susan Zigo
Ed Zigo Jr.
Dr. Miller
'Boss' Tom Messenger
Morrison
Henry
Dan
Henry's Wife
Tisch
Roberts
Woman with Dog
Grandmother
Nina
Hospital Administrator
Mary
Young Boy
Bobby
Patrolman
Toll Taker
Kate
Sharon
Madame Elena
Ringleader
Betty
Little Girl
Hector
Marvin Scott
Steve
Constantine
Young Doctor
Mike
Kenny
Donahue
Karl
Nurse #1
Ronnie / Veronica
Primary Negotiator
Zigo's Nephew (uncredited)
Tommy (uncredited)
Hooker (uncredited)
Detective O'Malley (uncredited)
Task Force Cop (uncredited)
Man Shaving (uncredited)
Man in Restaurant (uncredited)