re: Is there a better cast than Tropic Thunder?

Zoolander

Ben Stiller as Derek Zoolander
Owen Wilson as Hansel McDonald
Christine Taylor as Matilda Jeffries
Will Ferrell as Jacobim Mugatu
Milla Jovovich as Katinka Ingabogovina
Jerry Stiller as Maury Ballstein
David Duchovny as J.P. Prewett
Jon Voight as Larry Zoolander
Vince Vaughn as Luke Zoolander
Judah Friedlander as Scrappy Zoolander
Alexander Skarsgård as Meekus
Nathan Lee Graham as Todd
Justin Theroux as Evil DJ
Andy Dick as Olga the Masseuse
Andrew Wilson as Hansel's Corner Guy
John Vargas as Italian Designer
Jennifer Coolidge as American Designer
Tony Kanal as French Designer
Patton Oswalt as Monkey Photographer
Mason Webb as Derek Zoolander Jr.
David Bowie and Billy Zane made prominent cameos as themselves, with Bowie acting as judge for a "walk-off", and Zane appearing as a friend of Derek.

Also making cameos were Lance Bass, Tyson Beckford, Victoria Beckham, Emma Bunton, Stephen Dorff, Shavo Odadjian, Fred Durst, Fabio, Tom Ford, Cuba Gooding Jr., Theo Kogan, Lukas Haas, Tommy Hilfiger, Paris Hilton, Carmen Kass, Heidi Klum, Lenny Kravitz, Karl Lagerfeld, Lil' Kim, Anne Meara, Natalie Portman, Frankie Rayder, Mark Ronson, Gavin Rossdale, Winona Ryder, Garry Shandling, Christian Slater, Gwen Stefani, Donald Trump, Melania Trump, Donatella Versace, Veronica Webb and James Marsden.