James / Captain Strong (played by Josh Dallas) is a protagonist in Sidekick.
Emma / The Princess (played by Emily Bett Rickards) appears in Sidekick.
Darkman (played by Tom Cavanagh) appears in Sidekick.
Billy / Shockwave (played by Christian Michael Cooper) appears in Sidekick.
Dr. Wellstead (played by Kyra Zagorsky) appears in Sidekick.