Michelle Pfeiffer and Kevin Kline have joined Garrison Keillor, Meryl Streep, Lily Tomlin, Lyle Lovett, and others in Robert Altman‘s movie adaptation of Garrison Keillor’s radio show, "A Prairie Home Companion," according to Dark Horizons. "A Prairie Home Companion" is a variety show featuring comedy sketches and music. The script is written by Garrison Keillor himself.