Dan Aykroyd: Chevy Chase made a name for himself in the early days of “Saturday Night Live” as a bumbling Gerald Ford, but Aykroyd’s ruthlessly funny impersonation of Nixon was a comic masterpiece. (Andrew H. Walker / Getty Images)
Dan Hedaya: Though he played the role straight, Hedaya is marvelously entertaining in “Dick,” which stars Michelle Williams and Kirsten Dunst as teenagers who live in the Watergate complex. (Rick Meyer / Los Angeles Times)
Anthony Hopkins: The Welsh actor transformed himself with a modicum of makeup into the president in Stone’s persuasive docudrama “Nixon.” (Chris Pizzello / Associated Press)
Frank Langella: Langella may be going for Oscar gold with his multi-layered, sympathetic portrayal in Ron Howard’s “Frost/Nixon,” which revolves around Nixon’s 1977 interviews with Frost. Langella was nominated for a Golden Globe award on Thursday. (Jennifer S. Altman / For The Times)