Jack Lemmon as Ed Horman

Sissy Spacek as Beth Horman

Melanie Mayron as Terry Simon

John Shea as Charles Horman

Charles Cioffi as Captain Ray Tower

David Clennon as Consul Phil Putnam

Richard Venture as U.S. Ambassador

Jerry Hardin as Colonel Sean Patrick

Richard Bradford as Andrew Babcock

Joe Regalbuto as Frank Teruggi

Keith Szarabajka as David Holloway

John Doolittle as David McGeary

Janice Rule as Kate Newman

Ward Costello as Congressman

Hansford Rowe as Senator

Tina Romero as Maria

Richard Whiting as Statesman

Martin LaSalle as Paris

Terence Nelson as Colonel Clay

Robert Hitt as Peter Chernin

Félix González as Rojas

María Eugenia Ríos as Mrs. Duran

Jorge Russek as Espinoza

Edna Necoechea as Pia

Alan Penwrith as Samuel Cross

Alex Camacho as Silvio

Manuel Ávila Camacho as Doctor (Mental Hospital)

Kimberley Farr as Young Woman (Ford Foundation)

Elizabeth Cross as Ann

Piero Cross as Hotel Manager

Gary Richardson as Operator U.S. Embassy

Josefina Echánove as Woman Doctor (Basement Ward)

Robert Johnstreet as Bob

Linda Spheeris as Woman (State Department)

Jorge Mancilla as Captain (airport)

Gerardo Vigil as Soldier (laundry)

Mario Valdez as Officer (laundry)

Jaime Garza as Young Man (Stadium)

Joe I. Tompkins as Marine Officer

John Fenton as Carlos

Jacqueline Evans as Woman (Ford Foundation)

Jorge Santoyo as Young Man (Mental Hospital)

Juan Vázquez as Little Man (Mental Hospital)

Antonio Medellín as Rojas' Assistant

Albert Cates as 2nd Marine Officer

Miguel Cane as Little Boy at Beth's Class (uncredited)

Emilio Guerrero as Extra (uncredited)

Harry Kopoian as Director of Morgue (uncredited)

Susana Vincent Nava as Nurse (uncredited)