The cast of Best Picture nominee 'A Complete Unknown' is talking about what it was like to tackle Bob Dylan's iconic story.

In 2008, illustrator Paul Rogers turned Bob Dylan’s “Forever Young” into a picture book. It’s a vivid portrait of Dylan’s anthem. But it also highlights the intended audience for his song: children.

Seeger was shaped by the 1930s, Baez by the 1960s, and both, like Dylan, had a moment of decision that defined their ...