Alan Arkin as Leonard Hoffman

Beverly D'Angelo as Blanche Rickey

Peter Falk as Steve Rickey

Charles Durning as O'Mara

Robert Stack as Winslow

Paul Dooley as George Noozel

Valerie Curtin as Arlene Hoffman

Richard Libertini as Dr. Lopez

Steve Alterman as Peter Hoffman

Jerry Pavlon as Michael Hoffman

Paul La Greca as Joshua Hoffman

John Finnegan as Det. Murphy

Karl Lukas as Police captain

Maryedith Burrell as Gail

Edith Fields as Doris

Rosemarie Stack as Mrs. Winslow

Barbara Tarbuck as Helen

Al White as Mr. Williams

Teddy Wilson as Porter

Gloria Gifford as Wanda

Herb Armstrong as Night Security Guard

Jaime Sánchez as Chief Terrorist

Gaetano Lisi as Gaetano Lopez

Chester Grimes as Flavio Lopez

Irene Olga López as Lopez' Receptionist

Daphne Eckler as Receptionist

Carol Reinhard as Winslow's Secretary

Conroy Gedeon as Reporter

Leonard P. Geer as Whitlow Kepler

Melvin Jones as Terrorist #1

Luis Contreras as Terrorist #2

John M. Kochian Jr. as Terrorist #3

Domingo Ambriz as Terrorist #4

John Bianchini as Terrorist #5

Nafa Rasho as Terrorist #6

Roger Ito as Terrorist #7

Perry Fluker as Terrorist #8

Lynn Ready as Terrorist #9

Steven Lambert as Terrorist #10

Yukio G. Collins as Terrorist #11

Howard Clapp as Executive #1

Jeff Howard as Executive #2

Leland Sun as Chinese Laborer #1

Al Leong as Chinese Laborer #2

Danny Lew as Chinese Laborer #3

Michaelani as Chinese Laborer #4

Dennis Phun as Chinese Laborer #5

Walter Soo Hoo as Chinese Laborer #6

Richard Walter as Hot Dog Eater

Joseph G. Medalis as Salesman

Gary Nastu as Fireman

Michael Santiago as Cop

Warren Munson as Jack