CSI: Crime Scene Investigation (season 1)
The first season of premiered on CBS on October 6, 2000, and ended on May 17, 2001.
The series stars William Petersen and Marg Helgenberger.
Alex Petersen
Alexander Petersen Jr.( July 20, 1924 – June 23, 2014) was an American football coach, basketball coach and basketball player.
He played basketball at Oregon State University, and while studying for his doctorate at Columbia University, he played a little basketball in the American League and the Eastern Basketball League of Connecticut.
He returned to Oregon after finishing his doctorate.
He was served as the head football coach at Southern Oregon College of Education— now known as Southern Oregon University—in Ashland, Oregon for three seasons, from 1952 to 1954.
His record at Southern Oregon was 8–14.
Sofia Hultquist
Sofia Hultquist( born February 7, 1986) is an Italian composer and musician.
Hultquist is best known for her band" Drum& Lace" and for co-scoring the fashion documentary" The First Monday in May".
She is also known to write music for soundscapes for fashion shows and presentations and is involved heavily in the fashion world.
Varengold Bank
Varengold Bank AG is a German bank founded in Hamburg in 1995 and which also has offices in London and Sofia.
Drum & Lace
Drum& Lace is an electronic trip- hop composer from Florence, Italy.
Formed in 2013, their music is written, scored, recorded, and produced by Sofia Hultquist.
Hultquist is best known for co-composing the soundtrack to" The First Monday in May" with Ian Hultquist, and for composition and sound design in fashion, film, and media.
Lacordaire
Several people share the surname Lacordaire:
Panayot Pipkov
Panayot Pipkov( 21 November 1871 – 25 August 1942) was a Bulgarian composer.
He studied music in Milan, Italy, and taught in Lovech and Sofia.
He was the father of composer Lyubomir Pipkov.
K. K. Barrett
Keith" K. K." Barrett( born 1952) is an American production designer known for his work on feature films by Spike Jonze and Sofia Coppola, among others.
Dugès
Several people share the surname Dugès:
Ingeborg of Denmark, Queen of France
Ingeborg of Denmark( 1174 – 29 July 1237) was Queen of France by marriage to Philip II of France.
She was a daughter of Valdemar I of Denmark and Sofia of Minsk.

Question: Do Alex Petersen and Sofia Hultquist share the same nationality?
Answer: no