Question: Which Greek-American actor portrays Victor Kiriakis on NBC's "Days of Our Lives"?

Context paragraphs:
John Aniston: John Anthony Aniston (born Giannis Anastasakis; Greek: Γιάννης Αναστασάκης; July 24, 1933) is a Greek-American actor.  He is best known for his role as Victor Kiriakis on the NBC daytime drama series "Days of Our Lives", which he originated in July 1985 and has played continually since then.  He is the father of actress Jennifer Aniston.

Justin Kiriakis: Justin Kiriakis is a fictional character on the NBC daytime soap opera "Days of Our Lives".  Created by head writer Leah Laiman, he is portrayed by actor Wally Kurth from February 3, 1987 to February 5, 1991.  From 2007–2008, Justin was mentioned but not seen on screen.  Kurth reprised the role again August 10, 2009, remaining in the role for nearly five years before departing on April 3, 2014.  However, he once again returned in February 2015 for a short time, before exiting in one-month later.  Kurth will again reprise the role in the fall months of 2015 as a series regular.  Justin is the nephew of Greek tycoon Victor Kiriakis.  Justin married Adrienne Johnson Kiriakis, and together they have three sons while Justin has one by a past romance.

Constantine Maroulis: Constantine James Maroulis ( ; born September 17, 1975) is a Greek-American actor and rock singer from Wyckoff, New Jersey.  He was the sixth-place finalist on the fourth season of the reality television series "American Idol", and received a nomination for the Tony Award for Best Performance by a Leading Actor in a Musical for his role in "Rock of Ages".  He starred in the title role in "Jekyll and Hyde" on Broadway, for which he received a Drama League Award Nomination for a Distinguished Performance Award.

Kiriakis family: The Kiriakis family is an upper-class Greek-American family living in the town of Salem on the NBC soap opera "Days of Our Lives".  One of the wealthiest and most powerful families in Salem, the Kiriakises are led by patriarch Victor Kiriakis, the founder of Titan Industries, the town's biggest corporation.  In addition to Victor prominent members include his sons Bo and Philip, as well as his grandsons Brady and Shawn.  Although still heavily distrusted by many in town, the Kiriakis family is still a far more respected and legitimate family than their chief rival: the DiMera family.

George Savalas: Georgios Demosthenes "George" Savalas (Greek: Γεώργιος Δημοσθένης Σαβάλας ) (December 5, 1924 – October 2, 1985) was a Greek-American actor.  He was the younger brother of actor Telly Savalas, with whom he acted in the popular 1970s TV crime series "Kojak".

Kate Roberts (Days of Our Lives): Kate Roberts is a fictional character on the NBC soap opera "Days of Our Lives".  The matriarch of the series' Roberts family, the role is currently played (and most associated) by Lauren Koslow, who has held the role since 1996.  Kate is the mother of Austin Reed, Billie Reed, Lucas Horton, Philip Kiriakis, and Cassie and Rex Brady, known as "The Gemini Twins."  Kate is the ex-wife of Curtis Reed, Victor Kiriakis, Roman Brady, and Stefano DiMera.  She is known for getting what she wants via scheming.  In 2000, Koslow received a Soap Opera Digest Award nomination for Outstanding Supporting Actress, for her portrayal of Kate.

Judi Evans: Judi Evans (also credited as Judi Evans Luciano, born July 12, 1964) is an American actress.  She played Beth Raines on the CBS series" Guiding Light" from (1983–1986), but is also known for playing Adrienne Johnson Kiriakis, a role she originated in 1986 on NBC's "Days of Our Lives".  She was a regular cast member from 1986 until 1991.  She then played the role of Paulina Cory Carlino on the NBC series "Another World" from 1991 till the show's end in 1999.  Evans returned to "Days of Our Lives" in 2003 to play Bonnie Lockhart, another role she originated and played until early 2007; she reprised the role of Adrienne a few months later till early 2008.  Later in 2010, she returned to "Days of Our Lives" to reprise the role of Adrienne once again, which she has played on a recurring basis since then.

Grand rounds: Grand rounds are an important teaching tool and ritual of medical education and inpatient care, consisting of presenting the medical problems and treatment of a particular patient to an audience consisting of doctors, residents and medical students.  The patient was traditionally present for the round and would answer questions; grand rounds have evolved with most sessions now rarely having a patient present and being more like lectures.  An actor portrays the patient in some instances.

Sonny Kiriakis: Sonny Kiriakis is a fictional character from the NBC Daytime soap opera, "Days of Our Lives" portrayed by Freddie Smith.  Sonny is the only biological child of supercouple, Justin Kiriakis (Wally Kurth) and Adrienne Johnson Kiriakis (Judi Evans).  Sonny's off screen birth was announced onscreen in 1991.  Created under head writer Dena Higley, Sonny was introduced onscreen in 2011 by executive producers Ken Corday and Gary Tomlin as Justin and Adrienne's openly gay son—and the first gay character in the show's history.  His major stories included a gay bashing storyline and the development of his romance with Will Horton (then Chandler Massey) who is just coming to terms with his sexuality.  Sonny and Will (Guy Wilson) marry in 2014 becoming only the second same-sex couple to legally marry in the history of American daytime television.  Sonny is also known for his friendship and business dealings with Chad DiMera (Casey Deidrick) -- a relationship that nearly gets him killed when their sports website is taken over by an illegal gambling operation.

Victor Kiriakis: Victor Kiriakis is a fictional character on NBC's "Days of Our Lives".  The role has been portrayed by John Aniston since 1985.  His time on the show has been since 1985 with a brief storyline driven absence in 2004 when his character was "killed off" but found alive on the island of Melaswen.

Supporting paragraphs: Victor Kiriakis John Aniston
Answer: John Aniston