Tahmoh Penikett

Tahmoh Penikett is a Canadian actor. He is known for playing Karl "Helo" Agathon on SyFy's 2004 television series Battlestar Galactica. He has appeared in TV series Supernatural, Dollhouse, and the Showcase time travel show, Continuum.

Castle · S5, E1

After the Storm

Castle and Beckett set aside questions about their relationship in order to take on the forces responsible for Beckett's mother's murder.
Castle · S4, E23

Always

Castle tries to protect Beckett as she pursues the man who shot her; the 12th precinct is forever changed as feelings and secrets are revealed.
Criminal Minds · S9, E14

200

When J.J. is abducted, the team looks into her time at the State Department in hope of finding clues regarding her disappearance.

Tahmoh Penikett

Movies

Guest Appearances