“I think audiences are delighted by the showmanship of three actors telling this epic story, and that puts a smile on the face,” says Steven Skybell, who portrays eldest brother Henry Lehman, his savvy nephew Philip Lehman, and dozens of other characters in the Huntington production that runs through July 23. “The Lehman Trilogy” is a play centered on transformation. First, there’s the sprawling saga, spanning 164 years and multiple generations, as a Jewish immigrant family evolves their business from a small dry goods purveyor in Montgomery, Ala., to brokers selling cotton to factories in the North, and from an...