Mitch Pileggi

as Professor Charles M. Ridley

as John Kelly

as Sheriff Thomas Pembroke

as TRF Group Leader

as Sheriff Porter

as Gunter MacGregor

as Steven Caldwell

as John Weller

as Macklin Tyler

as Walter Skinner

as Bill Daley

as Floyd

as Warren Jacobi

as Narrator

as Dexter Helvenshaw

as Police Chief Jeff Croy

as Assistant Director Walter Skinner

as Self

as Narrator (Voice)

as Host

as Carl Rikker

as Self / Narrator (voice)

as Tony the Hitman

as Self

as Bonham Walker • 69 eps

as Papa • 1 eps

as Rex • 1 eps

as Rama Khan • 4 eps

as Harris Ryland • 40 eps

as Eddie Ross • 1 eps

as Art • 2 eps

as Randall • 1 eps

as Leonard Kreese • 1 eps

as Hans Brauer • 1 eps

as Colin Saunders • 1 eps

as Narrator (voice) • 13 eps

as Ernest Darby • 13 eps

as Al Dennison • 1 eps

as Detective Dan Stafford • 1 eps

as Detective Spivak • 13 eps

as Browne Carter • 3 eps

as Samuel Campbell • 7 eps

as Robert Sutherland • 1 eps

as Lawrence Jennings • 9 eps

as Dan Burroughs • 4 eps

as U.S. Attorney Mark Freestone • 1 eps

as Colin Dowling • 13 eps

as Commissioner Gordon (voice) • 14 eps