Anthony Hopkins, Sean Connery, Morgan Freeman, Denzel Washington, Sidney Poitier, Al Pacino, Forest Whitaker, Marlon Brando, Jack Nicholson, Clint Eastwood, Will Smith, Russel Crowe, Paul Newman, Robert Redford, Matt Damon, Samuel L. Jackson, Robin Williams, Toshiro Mifune, Cary Grant, John Hurt, Louis de Funès, Alain Delon, Michel Piccoli, Marcello Mastroianni, Omar Sharif, Anthony Quinn, - I'm sure there are many more...
Where the wimmens at, DD?
Good list, though! Even if you did drift into old fart category a bit at the end 
I simply followed your pattern and listed just the XY-chromosome carriers, for now...
Old farts, yes - but they deserve mentioning in my opinion - I will watch any Omar Sharif or Toshiro Mifune movie. And when you look at the list in its entirety, there aren't many young actors listed at all, the youngest probably being Matt Damon, most of the rest would probably qualify as old farts. Though Johnny Depp (who would be on my list of course, but was already mentioned before) I would never call old fart 
Oopsy daisy! I did intend to list some women, but somehow got carried away with my XY chromosome beefcakes. Here's some gals that fit the category:
Joan Cusack, Mary Steenburgen, Dianne Wiest, Diane Keaton (which reminds me, Michael Keaton is another much watch), Meryl, Katherine Heigl, Sally Field, Julia Roberts and Arnolds partner in Kindergarten cop.
As to the oldies, Omar Shariff is old, old school (plus I hate that gap in his front teeth). Paul, Clint, and Rob are more in the Steve McQueen category...timeless!
Marilyn Monroe, Ingrid Bergman, Grace Kelly, Sophia Loren, Jodie Foster, Emma Thompson, Kathy Bates, Holly Hunter, Nicole Kidman, Angelina Jolie, Kim Basinger, Charlize Theron, Michelle Pfeiffer, Uma Thurman, Sigourney Weaver, Kate Winslet, Juliette Binoche, Cameron Diaz, Nastassja Kinski, Scarlett Johansson, Brigitte Bardot, Isabelle Adjani, Natalie Portman, Isabelle Huppert, Rachel Weisz, Catherine Deneuve, Helen Mirren, Helena Bonham Carter, Rosario Dawson, Jennifer Connelly, just too many...
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