- Kain, Khalil
- Kalyan, Adhir
- Kanaly, Steve
- Kanan, Sean
- Kane, Christian
- Kapelos, John
- Kaplan, Gabe
- Kapoor, Ravi
- Kapur, Shekhar
- Kar-Wai, Wong
- Karloff, Boris
- Karn, Richard
- Kartheiser, Vincent
- Kasch, Cody
- Kasch, Max
- Kasdan, Lawrence
- Kassovitz, Mathieu
- Kassovitz, Peter
- Katsulas, Andreas
- Katt, Nicky
- Kattan, Chris
- Kaufman, Andy
- Kaufman, Philip
- Kay, Billy
- Kay, Dominic Scott
- Kaye, Danny
- Kaye, Thorsten
- Keach, James
- Keach, Stacy
- Keating, Dominic
- Keaton, Buster
- Keaton, Michael
- Kebbell, Toby
- Keegan, Andrew
- Keel, Howard
- Keeslar, Matt
- Keitel, Harvey
- Keith, David
- Keleghan, Peter
- Kelley, DeForest
- Kelley, Elijah
- Kelley, Malcolm David
- Kelly, Daniel Hugh
- Kelly, Gene
- Kelly, Richard
- Kemp, Gary
- Kemp, Martin
- Kemp, Ross
- Kemp, Will
- Kennedy, George
- Kennedy, Jamie
- Kennedy, Page
- Kercheval, Ken
- Kerwin, Brian
- Kerwin, Lance
- Keyes, Irwin
- Khan, Aamir
- Khan, Fardeen
- Khan, Salman
- Khan, Shahrukh
- Kiel, Richard
- Kier, Udo
| - Kilborn, Craig
- Kilmer, Val
- Kilner, Kevin
- Kilpatrick, Patrick
- Kim, Daniel Dae
- Kim, Randall Duk
- Kimmel, Jimmy
- Kind, Richard
- King, Alan
- King, Erik
- Kingsley, Ben
- Kinison, Sam
- Kinnear, Greg
- Kinski, Klaus
- Kinsman, Brent
- Kinsman, Shane
- Kirby, Bruno
- Kirk, Justin
- Kirsch, Stan
- Kirzinger, Ken
- Kitano, Takeshi
- Kitsch, Taylor
- Klein, Chris
- Klein, Robert
- Klemperer, Werner
- Kline, Kevin
- Kline, Richard
- Klugman, Jack
- Knepper, Robert
- Knight, Christopher
- Knight, T.R.
- Knight, Ted
- Knight, Wayne
- Knighton, Zachary
- Knotts, Don
- Knoxville, Johnny
- Knudsen, Eric
- Knudsen, Erik
- Kodjoe, Boris
- Koechner, David
- Koenig, Walter
- Koo, Louis
- Kopell, Bernie
- Korman, Harvey
- Kovacs, Ernie
- Kranz, Fran
- Krasinski, John
- Krause, Brian
- Krause, Peter
- Kress, Nathan
- Kressley, Carson
- Kretschmann, Thomas
- Kreuger, Kurt
- Krumholtz, David
- Krupa, Olek
- Krutonog, Boris
- Kumar, Akshay
- Kurth, Wallace
- Kutcher, Ashton
- Kwanten, Ryan
- Kyson Lee, James
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