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.

Man of Steel
Trick 'r Treat
Jonah
2 Hearts
The Last Victim
Space Force: Battlefront
The Cold Heart of a Killer
Scott Turow's Innocent
Killbird

Supernatural
Battlestar Galactica -
Dollhouse

Criminal Minds · S9, E14

200

The team investigate JJ's abduction by searching for clues during her time at the State Department. The team asks Prentiss for help.
Arrow · S1, E7

Muse Of Fire

Oliver meets a mysterious woman with dangerous secrets. Following an unfortunate turn of events, Tommy seeks Laurel's support.
Castle · S5, E1

After the Storm

Castle and Beckett are facing new questions, was this a one-time fling, or are they now a couple?
Castle · S4, E23

Always

In the season finale, Castle struggles to keep Beckett safe as she hunts down the man who shot her.
Supernatural · S9, E1

I Think I'm Gonna Like It Here

After Sam collapses, his doctor tells a frantic Dean that his brother is dying; Dean tries to make a deal with an angel.
Supernatural · S9, E18

Meta Fiction

When Castiel rejects Metatron's offer to join forces, a surprising plan is set in motion; Gadreel is apprehended.

Tahmoh Penikett

Movies

Shows

Guest Appearances