Marg Helgenberger and Mary-Margaret Humes in CSI: Crime Scene Investigation (2000)

Mary-Margaret Humes and Michelle Williams in Dawson's Creek (1998)

Harold Bergman, Mary-Margaret Humes, and John Wesley Shipp in Dawson's Creek (1998)

Joshua Jackson, Mary-Margaret Humes, and John Wesley Shipp in Dawson's Creek (1998)

Kim Johnston Ulrich, Andy Griffith, Mary-Margaret Humes, and Jenny Wright in Matlock (1986)

With director Jake Helgren, A Christmas to Treasure VIP Screening

Mary-Margaret Humes attends the 2018 Hallmark Channel Summer TCA at a private residence on July 26, 2018 in Beverly Hills, Ca.

Still of Mary-Margaret Humes in Matlock and The Personal Trainer

Still of Mary-Margaret Humes, John Wesley Shipp and James Van Der Beek in Dawson’s Creek and Late

Still of Mary-Margaret Humes in The Crossing and Criminal Minds

Publicity shot of John Wesley Shipp and Mary-Margaret Humes from Dawson’s Creek

Still of James Van Der Beek, Mary-Margaret Humes and John Wesley Shipp on Dawson’s Creek

still of Mary-Margaret Humes in Dawson's Creek and Beauty Contest

Publicity still of Mary-Margaret Humes in Dawson's Creek

Still of Mel Brooks, Greory Hines, Ron Carey and Mary-Margaret Humes in History of the World, Part 1

Still of Mel Brooks, Dom DeLuise,Madeline Kahn, Gregoru Hines, Ron Carey, Rudy De Luca, Shecky Greene, Mary-Margaret Humes and Hoeard Morris in History of the World, Part 1

Still of Madeline Kahn, Mary-Margaret Humes and Hunter von Leer in History of the World, Part 1

Mary-Margaret Humes attends the RIDE Foundation’s 2nd Annual Dance for Freedom gala at The Broad Stage on September 29, 2018 in Santa Monica, Ca.

Mary-Margaret Humes and choreographer Louis Van Amstel attend the 2nd annual RIDE Foundation’s Dance For Freedom Gala at The Broad Stage on September 29, 2018 in Santa Monica, Ca.

Mary-Margaret Humes and Orlando Jones in Ghost Whisperer (2005)

Mary-Margaret Humes and Austin Highsmith Garces in Ghost Whisperer (2005)

Mary-Margaret Humes in CSI: Crime Scene Investigation (2000)

Actors Mary-Margaret Humes and Willem de Vries attend the 2nd Annual Dancing for NED at Unici Casa Gallery on May 3, 2014 in Culver City, California

Actors Mary-Margaret Humes and Willem de Vries attend the 2nd Annual Dancing for NED at Unica Casa Gallery on May 3, 2013 in Culver City, California

Choreographer Louis van Amstel(R) and actress Mary-Margaret Humes (L) arrive at the NOH8 campaign 2nd anniversary celebration at Wonderland on December 13, 2010 in Hollywood, Ca.