I'm pretty flexible on either. I do love using Rachel McAdams but Lily Collins, Ana De Armas, Adeline Cane, Evan Rachel Wood... and I'm happy to consider somebody if you have any ideas.
Same with the guys though I'll copy and paste a list from an old journal;
Matt Bomer, Jamie Bamber, Ben Barnes, Adam Brody, Sam Claflin, Darren Criss, Oscar Issac, Evan Peters, Jamie Dornan, James McAvoy, K J Apa, Michael Fassbender, Ryan Gosling, Chris Hemsworth, Liam Hemsworth, Thomas McDonnell, Cillian Murphey, Alex Pettyfer, Ryan Reynolds, Alexander Skarsgard, Bill Skarsgard, Jim Sturgess, Brendon Urie