An Australian Filipino raised in Sydney, Martha Millan was most recently seen in The Gentlemen.  Previous to that, she filmed Merry Kiss Cam with Katie Lowes. Before that, she was seen in the feature film The Drummer, with Danny Glover, and prior to that, on the network anthology series Two Night Horror Stories and premium cable series Succession.

Enthralled after doing her first play in high school, Millan studied at The University of Sydney and then New York City, where she graduated from the American Academy of Dramatic Arts.

She made her daytime television debut on the soap opera As the World Turns. She also was seen on Strong Medicine and in a memorable role on Third Watch. Additional TV credits include Madam Secretary, The OA, Entourage and S.I.S, as well as the Law & Order franchise, including Law & Order: Criminal Intent, Law & Order: Special Victims Unit and Law & Order. On film, she appeared in My Dead Boyfriend, opposite Heather Graham. Other film credits include The Great New Wonderful, opposite Maggie Gyllenhaal and Jim Parsons, and Falling for Grace.

While appearing in many national and international commercials, Millan also has modeled extensively throughout the United States and the world as one of the worldwide faces of Clairol Natural Instincts and the face of Nooch, a restaurant in New York City.