Ian Ziering, who portrayed the charming troublemaker Steve Sanders, is now 60 years old and continues to thrive in the industry. Brian Austin Green, who played the geeky yet talented David Silver, is 51 and remains active in television and reality shows, while Tori Spelling, known for her role as the kind-hearted Donna Martin, also at 51, juggles her acting career with family life and business ventures.