Suggestions by @kykkoalphonse

Katharine Houghton

as Erica Hahn in Grey's Anatomy (1975-1995)

Score: +2

Elizabeth Hartman

as Erica Hahn in Grey's Anatomy (1975-1995)

Score: +2

Tina Louise

as Erica Hahn in Grey's Anatomy (1975-1995)

Score: +2

Lynda Day George

as Erica Hahn in Grey's Anatomy (1975-1995)

Score: +2

Bernie Mac

as Winston Ndugu in Grey's Anatomy (1975-1995)

Score: +1

Mykelti Williamson

as Winston Ndugu in Grey's Anatomy (1975-1995)

Score: +1

Keith David

as Winston Ndugu in Grey's Anatomy (1975-1995)

Score: +1

Mario Van Peebles

as Winston Ndugu in Grey's Anatomy (1975-1995)

Score: +1

Richard Crenna

as Tom Koracick in Grey's Anatomy (1975-1995)

Score: +3

Ken Kercheval

as Tom Koracick in Grey's Anatomy (1975-1995)

Score: +2

Don Murray

as Tom Koracick in Grey's Anatomy (1975-1995)

Score: +2

Larry Hagman

as Tom Koracick in Grey's Anatomy (1975-1995)

Score: +3

Sean Connery

as Tom Koracick in Grey's Anatomy (1975-1995)

Score: +3

Roger Moore

as Tom Koracick in Grey's Anatomy (1975-1995)

Score: +1

Carl Weathers

as Ben Warren in Grey's Anatomy (1975-1995)

Score: +1

Samuel L. Jackson

as Ben Warren in Grey's Anatomy (1975-1995)

Score: +1

Timothy Dalton

as Nathan Riggs in Grey's Anatomy (1975-1995)

Score: +1

LeVar Burton

as Shane Ross in Grey's Anatomy (1975-1995)

Score: +1

Charlene Tilton

as Leah Murphy in Grey's Anatomy (1975-1995)

Score: +3

Janet Hubert

as Stephanie Edwards in Grey's Anatomy (1975-1995)

Score: +1