Dan Payne and Michael Trucco shirtless in Battlestar Galactica 4-21 'Daybreak: Part 3"

Michael Trucco shirtless in Battlestar Galactica 4-20 "Daybreak: Part 2"

Michael Trucco shirtless in Battlestar Galactica 4-19 "Daybreak: Part 1"

Michael Trucco shirtless in Battlestar Galactica 4-18 "Islanded in a Stream of Stars"

Tahmoh Penikett shirtless in Battlestar Galactica 4-17 "Someone to Watch Over Me"

James Callis shirtless in Battlestar Galactica 4-14 "Blood On The Scales"

James Callis shirtless in Battlestar Galactica 4-10 "Revelations"

James Callis shirtless in Battlestar Galactica 4-07 "Guess What's Coming To Dinner"

James Callis shirtless in Battlestar Galactica 4-04 "Escape Velocity"

James Callis shirtless in Battlestar Galactica 4-02 "Six Of One"

James Callis shirtless in Battlestar Galactica 4-01 "He That Believeth in Me"

Michael Trucco shirtless in Battlestar Galactica 3-20 "Crossroads: Part 2"

Tahmoh Penikett shirtless in Battlestar Galactica 3-14 "The Woman King"

James Callis shirtless in Battlestar Galactica 3-13 "Taking a Break from All Your Worries"

James Callis shirtless in Battlestar Galactica 3-10 "The Passage"

Jamie Bamber shirtless in Battlestar Galactica 3-09 "Unfinished Business"

Michael Trucco shirtless in Battlestar Galactica 3-09 "Unfinished Business"

James Callis shirtless in Battlestar Galactica 3-07 "A Measure of Salvation"

James Callis shirtless in Battlestar Galactica 3-06 "Torn"

Jamie Bamber shirtless in Battlestar Galactica 3-06 "Torn"