Thaao Penghlis (born December 15, 1945 in Sydney, Australia) is an actor best known for roles on soap opera hits Days of Our Lives, Santa Barbara, and General Hospital.
He has also guest-starred on a number of crime dramas, such as Kojak, Cannon, Tenspeed and Brown Shoe, Hart to Hart, Nero Wolfe, and Magnum, P.I. Penghlis has studied under Hollywood acting teacher Milton Katselas.
Thaao appeared in the 1980s revival of Mission: Impossible, filmed in his native Australia. Penghlis' role in the revival was a counterpart to Martin Landau's "Rollin Hand" and Leonard Nimoy's the "Amazing Paris."
In 2003, Thaao Penghlis was nominated for the Soap Opera Digest Award for Favorite Return for his return to the cast of Days of Our Lives. He left the show in fall 2005.
Penghlis returned to Days of Our Lives, where he has now played Tony DiMera four times (1981-1985, 1993-1996, 2002-2005, 2007-present) on May 24, 2007.