"who looked a little like Henry Fonda in distress"
Henry Fonda, publicity photo from 1950s
Henry Jaynes Fonda (1905-1982) was an American film and stage star whose most famous movies included “Young Mr. Lincoln,” “The Grapes of Wrath,” and “The Ox-Bow Incident” (all of which Yossarian and the other men might have seen), as well as “My Darling Clementine,” “Fort Apache,” “Mr. Roberts,” “Twelve Angry Men,” “Once Upon a Time in the West,” and “On Golden Pond” after the war.
He was best known for playing plain-spoken idealists, and daughter Jane, son Peter, and granddaughter Bridget all became actors of note.