2021

(1 episode) as Self (archive footage) (uncredited)

2019		The Kelly Clarkson Show (3 episodes) as Self
2019		Very Scary People (60 episodes) as Self - Host
2019		The Masked Singer (1 episode) as Self (1 episode) as Cluedle-Doo

2017

(3 episodes) as Self - Co-narrator

2015

(26 episodes) as Himself

2014

(96 episodes) as Self

2010		Blue Bloods (285 episodes) as Danny Reagan
2010		Rizzoli & Isles (2 episodes) as Joey Grant

2009

(2 episodes) as Self - Guest

2008

(1 episode)

2007

(8 episodes) as Horst Cali

2006		Runaway (9 episodes) as Paul Rader
2006		Rachael Ray (1 episode)
2006		The Path to 9/11 (2 episodes) as Kirk', CIA operative

2003

(1 episode)

2002

(24 episodes) as Detective Joel Stevens

2001		UC: Undercover (1 episode)
2001		Band of Brothers (10 episodes) as C. Carwood Lipton

1999		The Early Show (1 episode) as Self
1999		Where Are They Now? (1 episode) as Self

1998

(1 episode)

1997		EP Daily (1 episode)
1997		The Practice (1 episode)

1993

(1 episode) as Self - Guest

1992

(1 episode)

1990

(15 episodes)

1989

(4 episodes)

1974

(2 episodes) as Self [New Kids on the Block]

2010

(1 episode) … Director