Prison Break Cast Season 4 Guest Stars _verified_ -

as Agent Felicia Lang (returning from S2) FBI – Makes brief appearances.

Season 4 of Prison Break features several guest stars, including: prison break cast season 4 guest stars

as Ferguson The Company’s security chief – Appears in the final few episodes. as Agent Felicia Lang (returning from S2) FBI

Making a late-season debut as Michael and Lincoln’s thought-to-be-dead mother, Quinlan became one of the show's most formidable antagonists. as Roland Glenn (recurring for several episodes) Computer

as Roland Glenn (recurring for several episodes) Computer hacker and tech support for the team – Memorable for his sarcasm and eventual fate.

Season 4 of Prison Break shifted the series from a high-stakes escape drama to a globetrotting espionage thriller. Central to this transition was a massive ensemble of guest stars and recurring actors who filled the ranks of "The Company" and the special task force assembled to bring it down.