Daniel Nucci is an American actor. He is best known for his supporting roles in blockbuster films, including his roles as Danny Rivetti in Crimson Tide, Lieutenant Shepard in The Rock, Deputy Monroe in Eraser, and Fabrizio de Rossi in Titanic, as well as his lead role as Mike Foster in the Freeform series The Fosters.

Nucci appeared as Gabriel Ortega on the CBS soap opera Falcon Crest from 1988 to 1989. Other notable TV appearances include Growing Pains, Out of This World, Quantum Leap, Family Ties, The Twilight Zone, Tour of Duty, Snoops, Just Shoot Me, House, Without a Trace, Criminal Minds, The Mentalist, CSI: NY, arrow, and a short recurring role on Castle. He co-starred in the short-lived police drama series 10-8: Officers on Duty.

He was born in Austria, raised in Italy until he was 7, and then moved to the United States.