QUESTION: Would you please give me an update on the actors and actresses who starred on “That ’70s Show?”

ANSWER: Since the show had close to a dozen regular characters and even more recurring ones during its 1998-2006 run, let me just offer a selection. Ashton Kutcher (Kelso) is co-starring on “Two and a Half Men.” He is also involved with Mila Kunis (Jackie), whose work includes the movies “Ted” and “Black Swan.” Kunis and Kutcher are expecting a child together.

Laura Prepon (Donna) was recently seen in Netflix’s “Orange Is the New Black.” Danny Masterson (Hyde) is on the TBS series “Men at Work.” Wilmer Valderrama (Fez) has been seen frequently on TV, including the new “From Dusk Till Dawn: The Series” on the El Rey Network. Topher Grace (Eric) works in theater and in movies. Kurtwood Smith (Red) is in ABC’s “Resurrection.” Debra Jo Rupp (Kitty) does both live-action and animated productions.

Lisa Robin Kelly, who originally played Laurie (before being succeeded by Christina Moore), died in 2013 at the age of 43.

QUESTION: I seem to recall seeing Michael Douglas in a TV movie during the ’70s. He and his black partner were semi-hippy math or electronic whizzes. They were hired by a large corporation to do research. The plot was full of age-difference arguments and prejudices. Would you have any information about such a movie?

ANSWER: That would be “The Experiment,” one of the dozen specials showing under the CBS Playhouse name in the late ’60s. “The Experiment,” from 1969, was “a drama of young rebels in conflict with the business establishment,” according to a TV Guide capsule at the time. Douglas — billed as M.K. Douglas — played a science prodigy who took a corporate job to support his research. Ellen M. Violett’s script was nominated for an Emmy.

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