NCIS: New York Cast and Character Guide: Meet the Newest Members of the NCIS Universe

LL Cool J reprises his role as Special Agent Sam Hanna, a familiar face to fans of NCIS: Los Angeles. In NCIS: New York, he “returns to his hometown of New York City after the events of NCIS: Los Angeles. He joins the newly established New York Field Office of NCIS and is partnered with Special Agent Nick Schaeffer. The team’s mission is to protect one of the country’s busiest ports and to investigate naval and national security crimes.”

Where you’ve seen him: In Too Deep, In the House, Last Holiday, Deep Blue Sea, Any Given Sunday, Lip Sync Battle, S.W.A.T.

Scott Caan portrays Special Agent Nick Schaeffer, Sam Hanna’s new investigative partner. Schaeffer is described as a “roguish agent, so his partnership with the by-the-book Hanna should prove challenging to both men.” Notably, Caan previously guest-starred as Detective Danny “Danno” Williams in Hawaii Five-0.

Where you’ve seen him: Into the Blue, Varsity Blues, Boiler Room, Ocean’s Eleven, Entourage, Alert: Missing Persons Unit

Jennifer Beals steps into the role of Robyn Wells, the “Assistant Special Agent in Charge who leads the New York Field Office of NCIS. She has authority over Special Agents Sam Hanna and Nick Schaeffer.”

Where you’ve seen her: Flashdance, Devil in a Blue Dress, Taken, The Book of Eli, The L Word, A Wife's Nightmare

In NCIS: New York, Jacqueline Byers plays Addison “Addy” Ross, one of the special agents at the New York Field Office. CBS describes Addy as a “tough, resourceful agent with something to prove.”

Where you’ve seen her: Shadow Of God, Bad Samaritan, Roadies, Salvation, Ordinary Days, Dark Winds, Ascension

Wyatt Sellers, played by none other than Shane Harper, is a “member of the NCIS New York investigative team.” According to CBS’ character description, Wyatt is a “fearless agent and a hopeless romantic.” 

Where you’ve seen him: God's Not Dead, Good Luck Charlie, Dance-Off, Hightown, A Teacher, Power Book IV: Force, Flipped

Devin Druid takes on the role of Sean Sullivan, who is “one of the newest members of the NCIS New York team. Sean is a witty tech specialist who resists authority.”

Where you’ve seen him: Louder Than Bombs, Greyhound, Cam, The Pale Door, Imperium, Founders Day, 13 Reasons Why