text: Recurring cast Tony Todd as Langston Graham (seasons 1, 2 and 5)
  Matthew Bomer as Bryce Larkin (seasons 1 and 2)
  C.S. Lee as Harry Tang (season 1)
  Rachel Bilson as Lou Palone (season 1)
  Mini Andén as Carina Miller (season 1, 3 and 4)
  Tony Hale as Emmett Milbarge (season 2 and 3)
  John Larroquette as Roan Montgomery (seasons 2 and 4)
  Nicole Richie as Heather Chandler (seasons 2 and 4)
  Jordana Brewster as Jill Roberts (season 2)
  Arnold Vosloo as Vincent Smith (season 2)
  Chevy Chase as Ted Roark (season 2)
  Scott Bakula as Stephen Bartowski (seasons 2 and 3)
  Morgan Fairchild as Dr. Honey Woodcomb (seasons 2 and 4)
  Brandon Routh as Daniel Shaw (seasons 3 and 5)
  Kristin Kreuk as Hannah (season 3)
  Steve Austin as Hugo Panzer (seasons 3 and 4)
  Mekenna Melvin as Alex McHugh (seasons 3–5)
  Linda Hamilton as Mary Elizabeth Bartowski (seasons 4 and 5)
  Timothy Dalton as Alexei Volkoff (season 4)
  Mercedes Masohn as Zondra Rizzo (season 4)
  Lauren Cohan as Vivian McArthur (season 4)
  Ray Wise as Riley (season 4)
  Robin Givens as Jane Bentley (season 4)
  Richard Burgi as Clyde Decker (seasons 4 and 5)
  Carrie-Anne Moss as Gertrude Verbanski (season 5)
  Angus Macfadyen as Nicholas Quinn (season 5)
  Production