Alex Donnelley Photo

Alex Donnelley

Born: Aug 13, 1959

Birthplace: Frankfurt

Profession: Actor

Nationality: United States

Alex Donnelley

Date of Birth : Aug 13, 1959
Birth Place : Frankfurt

Alex Donnelley is a German-born American actress. Her best-known role is that of Diane Jenkins on the CBS soap opera The Young and the Restless from 1982 to 1984, and again in 1986. Donnelley went on to reprise her role again from October 1996 to February 2001. She also appeared in other television shows and films, such as Cruel Intentions 3. Donnelley has two daughters from her former marriage to musician Robert Lamm.


  • Actor

Also known as

  • Alex Mayo
  • Alex Donnelley Lamm
  • Alex Donnelly


  • Robert Lamm
  • Thorne Donnelley Jr.


  • Kate Lamm
  • Sean Lamm
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