Do You Know the Milky Way? (by Karl Wittlinger) presents two actors playing twelve roles in a search for one man's identity. They never find it. Hal Holbrook (best known for his Mark Twain act) touchingly plays the hero, a childlike German veteran of World War II whose tormented self-quest has made him a patient in a mental institution. George Voskovec plays his psychiatrist and all other speaking roles in a virtuoso acting stint. In pursuit of "psychodramatic therapy," doctor and patient enact Holbrook's life until he winds up as a daredevil motorcyclist in an act called ''The Flying Saucers."
Despite murky...