Tom Mahoney (left) and Marcia Cross
Gilbert Flores/Celebriy Photo
01/20/2009 AT 09:45 AM EST
Marcia Cross's husband, stockbroker Tom Mahoney, has been diagnosed with cancer, PEOPLE exclusively confirms.
"He is currently under treatment and is responding very well," the actress's rep Heidi Slan says.
The two were married
in June 2006, and have 23-month-old fraternal twin daughters
, Eden and Savannah.
Cross has credited her husband's love and support for her own happiness. "I think that beauty comes from being happy and connected to the people we love," the actress told PEOPLE shortly after they were engaged. "And his love makes me feel beautiful."
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