Martin Sheen
Eddie Zigo
Héctor Elizondo
Father George
Matt Clark
John Hubbard
Jennifer Salt
Ann Zigo
Eddie Egan
Tom Duncan
Robert Trebor
David Berkowitz
Val Avery
Guido Pressano
Joe Spinell
Jim Halsey
Victor Arnold
Nick Zigo
Ann Talman
Susan Zigo
Vince Grant
Ed Zigo Jr.
Bernie McInerney
Dr. Miller
Dick Latessa
'Boss' Tom Messenger
Sam McMurray
Morrison
Paul Jabara
Henry
Larry Atlas
Dan
Beege Barkette
Henry's Wife
Jim Borrelli
Tisch
James Canning
Roberts
Jane Cronin
Woman with Dog
Gina DeAngeles
Grandmother
Rosemary De Angelis
Nina
Harold Guskin
Hospital Administrator
Lucinda Jenney
Mary
Sugar Johnson
Young Boy
Eriq La Salle
Bobby
Joe Lisi
Patrolman
John McCurry
Toll Taker
Kate Mulligan
Kate
Pam Nahal
Sharon
Antonia Rey
Madame Elena
Vincent Russo
Ringleader
Ann Sachs
Betty
Lauren Sautner
Little Girl
John Scott Martin
Hector
Marvin Scott
Marvin Scott
Ben Siegler
Steve
Andrew Spathis
Constantine
Fritz Sperberg
Young Doctor
D. B. Sweeney
Mike
Mark Tenore
Kenny
Mickey Treanor
Donahue
Martin Vidnovic
Karl
Olivia Ward
Nurse #1
Caryn West
Ronnie / Veronica
Ed Zigo
Primary Negotiator
Thomas Calabro
Zigo's Nephew (uncredited)
Joe Chiaramonte
Tommy (uncredited)
Valerie Swift
Hooker (uncredited)
Jude Ciccolella
Detective O'Malley (uncredited)
Daniel Ahearn
Task Force Cop (uncredited)
Charlie Sheen
Man Shaving (uncredited)
Sonny Grosso
Man in Restaurant (uncredited)