Donna Culver Krebbs is a fictional character in the popular American television series Dallas, played by Susan Howard from 1979 to 1987.

[4] However, Howard has claimed this decision was connected to her opposition of what she saw as pro-abortion storylines involving her character.

[5] Donna was an intelligent, ambitious and well-regarded politician's wife, married to much older Sam Culver, a former governor of Texas and Speaker of the House who is an old friend and former business partner of Jock Ewing.

However, despite finding love with Ray, Donna decided to remain with Sam because he was dying.

After Jock died in a helicopter crash in South America, Ray fell into a deep depression: drinking, neglecting his duties at Southfork, and having an affair with an old girlfriend named Bonnie.