Ryan, Emma, and Josh: The Cast of Gangster Squad's Style Transformation

Ryan, Emma, and Josh: The Cast of Gangster Squad's Style Transformation

• "The Dog Problem" Portraits Giovanni Ribisi during 31st Annual Toronto International Film Festival - "The Dog Problem" Portraits at Portrait Studio in Toronto, Ontario, Canada.

  Photo Credit: J. Vespa, WireImage

• Giovanni Ribisi at the Premiere of 'Amistad', Samuel Goldwyn Theater, Beverly Hills.

  Photo Credit: Ron Galella, WireImage

• Actor Giovanni Ribisi arrives at the Arlington Theatre during the 25th Santa Barbara International Film Festival on February 14, 2010 in Santa Barbara, California. 

  Photo Credit: C Flanigan, FilmMagic

• Giovanni Ribisi attends FilmDistrict's World Premiere of "The Rum Diary" at Bing Theatre at LACMA on October 13, 2011 in Los Angeles, California.

  Photo Credit: Eric Charbonneau, WireImage

• Actor Giovanni Ribisi arrives at the Los Angeles Premiere "Gangster Squad" at Grauman's Chinese Theatre on January 7, 2013 in Hollywood, California.

  Photo Credit: Getty Images

• Actor Ryan Gosling at the "Murder By Numbers" Photo Call during the 55th Cannes Film Festival in Cannes, France. May 25 2002.

  Photo Credit: Evan Agostini, ImageDirect

• Ryan Gosling during "Half Nelson" New York Premiere at Tribeca Cinemas in New York City in August 2006.

  Photo Credit: FilmMagic

• MGM Presents Lars and The Real Girl Actor Ryan Gosling arrives at the Los Angeles Premiere "Lars and The Real Girl" at the Academy of Motion Picture Arts & Sciences on October 2, 2007 in Beverly Hills, California.

  Photo Credit: Jon Kopaloff, FilmMagic

• Actor Ryan Gosling poses during Canadian actor Ryan Gosling poses during the photocall of "Blue Valentine" presented in the Un Certain Regard selection at the 63rd Cannes Film Festival on May 18, 2010 in Cannes.

  Photo Credit: ANNE-CHRISTINE POUJOULAT/AFP/Getty Images

• Ryan Gosling arrives at the Los Angeles premiere of "The Ides Of March" held at the Academy of Motion Picture Arts and Sciences on September 27, 2011 in Beverly Hills, California.

  Photo Credit: Michael Tran, FilmMagic

• Actor Ryan Gosling and mom Donna arrive at the Los Angeles premiere of 'Gangster Squad' at Grauman's Chinese Theatre on January 7, 2013 in Hollywood, California.

  Photo Credit: Gregg DeGuire, WireImage

• Replay Brand party to celebrate Brandon Davis' Jean collection with Emma Stone in April 2006.

  Photo Credit: Mirek Towski, FilmMagic

• Actress Emma Stone arrives at Hollywood Life Magazines 10th Annual Young Hollywood Awards at the Avalon on April 27, 2008 in Hollywood, California.

  Photo Credit: Jon Kopaloff, FilmMagic

• Emma Stone arrives at the Los Angeles premiere of "Ghosts Of Girlfriends Past" at the Grauman's Chinese Theatre on April 27, 2009 in Hollywood, California.

  Photo Credit: Steve Granitz, WireImage

• Emma Stone arrives at the "Easy A" premiere during the 2010 Toronto International Film Festival held at Isabel Bader Theatre on September 11, 2010 in Toronto, Canada.

  Photo Credit: Michael Tran, FilmMagic

• Emma Stone poses for a picture at The Trevor Projects annual 'Trevor LIVE' held at The Hollywood Palladium on December 5, 2010 in Hollywood, California.

  Photo Credit: Toby Canham, Getty Images

• Emma Stone arrives at "The Help" World Premiere at the Samuel Goldwyn Theater on August 9, 2011 in Beverly Hills, California.

  Photo Credit: Gregg DeGuire, FilmMagic

• Emma Stone arrives at the Los Angeles premiere of "Gangster Squad" at Grauman's Chinese Theatre on January 7, 2013 in Hollywood, California.

  Photo Credit: Getty Images

• Sean Penn at the "At Close Range" premiere in April 1986.

  Photo Credit: WireImage

• Sean Penn and Robin Wright Penn during 2002 Toronto Film Festival - "White Oleander" Premiere at Roy Thompson Hall in Toronto, Ontario, Canada.

  Photo Credit: George Pimentel, WireImage

• The 76th Annual Academy Awards - Press Room Sean Penn, winner of Best Actor for "Mystic River" in February 2004.

  Photo Credit: SGranitz, WireImage

• The Creative Coalition and Gotham Magazine Present the 2006 Spotlight Awards and Christopher Reeve First Amendment Award Sean Penn at the Duvet in New York City, New York.

  Photo Credit: Jemal Countess, WireImage

• Sean Penn attends the J/P HRO Charity Auction Dinner on November 17, 2012 in Rome, Italy.

  Photo Credit: Venturelli, Getty Images

• Sean Penn arrives at the Los Angeles premiere of "Gangster Squad" at Grauman's Chinese Theatre on January 7, 2013 in Hollywood, California.

  Photo Credit: Getty Images

• Actor Josh Brolin attends the Screening of the NBC Made-for-Television Movie "Deep Dark Secrets" on September 9, 1987 at the DGA Theatre in West Hollywood, California.

  Photo Credit: Ron Galella, Ltd., WireImage

• Josh Brolin during "Grindhouse" Los Angeles Premiere - Arrivals at Orpheum Theatre in Los Angeles, California, United States.

  Photo Credit: Jon Kopaloff, FilmMagic

• Actor Josh Brolin arrives at the Los Angeles Premiere "Untraceable" at the Pacific Design Center on January 22, 2008 in Los Angeles, California.

  Photo Credit: Jon Kopaloff, FilmMagic

• Actors Josh Brolin (L) and Megan Fox (R) attend "Jonah Hex" panel on day 2 of the 2009 Comic-Con International Convention on July 24, 2009 in San Diego, California.

  Photo Credit: Chelsea Lauren, WireImage

• Diane Lane and Josh Brolin arrives at the "The Guilt Trip" - Los Angeles Premiere at Regency Village Theatre on December 11, 2012 in Westwood, California.

  Photo Credit: Steve Granitz, WireImage

• Actor Josh Brolin arrives at the Los Angeles Premiere "Gangster Squad" at Grauman's Chinese Theatre on January 7, 2013 in Hollywood, California.

  Photo Credit: Getty Images

• Sean Penn attends the J/P HRO Charity Auction Dinner on November 17, 2012 in Rome, Italy.

  Photo Credit:

• Sean Penn

• Actor Josh Brolin attends the Screening of the NBC Made-for-Television Movie

• Miramax After Party Josh Brolin and Diane Lane during The 75th Annual Academy Awards - Miramax After Party at St. Regis Hotel in Los Angeles, California, United States.

  Photo Credit: KMazur, WireImage

• Josh Brolin during

• Actor Josh Brolin arrives at the Los Angeles Premiere

• Actors Josh Brolin (L) and Megan Fox (R) attend

• Actor Josh Brolin during a commercial break on May 21, 2012.

  Photo Credit: Stacie McChesney, NBC, NBCU Photo Bank via Getty Images

• Diane Lane and Josh Brolin arrives at the

• Actor Josh Brolin arrives at the Los Angeles Premiere