The “Mission: Impossible” star tried to convince the CNN interviewer of the virtues of the sometimes controversial religion and took King on a personal tour of a Scientology exhibit that attacks psychiatry.

King, who has been candid about his bout with depression, also has been open about his treatment with antidepressants, but Cruise and his religion are outspoken critics of both psychiatry and prescription drugs.

After a highly publicized incident in which Cruise criticized Brooke Shields’ use of drugs to treat ...