Daniel Bernard Sweeney is an American actor best known for having played Jackie Willow, a Vietnam-era soldier, in Francis Ford Coppola’s Gardens of Stone, navigator 1st Lt. Phil Lowenthal in Memphis Belle, and Travis Walton in Fire in the Sky. He also played former ice hockey player Doug Dorsey in The Cutting Edge, Shoeless Joe Jackson in Eight Men Out, and Dish Boggett in Lonesome Dove. He was a regular cast member on C-16. After voicing Aladar the Iguanodon in the Disney computer-animated film Dinosaur, Sweeney played Michael Whitman in Life as We Know It.

Sweeney has guest-starred on various television series, including House as Crandall, an ex-bandmate of Dr. Gregory House; Jericho as John Goetz, an employee of a private military contractor; Castle as a Los Angeles detective, and more. He played FBI Special Agent Morris on The Closer and Major Crimes. He also had recurring roles as U.S. Marshal Sam Kassmeyer, assigned to protect Haley and Jack Hotchner on Criminal Minds; as Peter Emory in season 1 of Crash, and as Carter in The Event.

He is also on B Positive, The Manson Brother’s Midnight Zombie Massacre,  Haymaker, Ice, Two and a Half Men, Brother Bear, and The Legend of Kora