Showtime en-us 2015 Showtime Networks Inc. All rights reserved. http://www.sho.com/thebigc Cathy has always played by the rules. That is, until she finds out she�s got cancer. But instead of giving up, Cathy decides to live it up. She�ll say and do exactly what she wants from here on out. Stars Laura Linney and Oliver Platt. Laura Linney, Oliver Platt, Cancer, Comedy, Drama, Showtime, The Big C, Cathy, Paul Cathy has always played by the rules. That is, until she finds out she�s got cancer. But instead of giving up, Cathy decides to live it up. She�ll say and do exactly what she wants from here on out. Stars Laura Linney and Oliver Platt. Cathy has always played by the rules. That is, until she finds out she�s got cancer. But instead of giving up, Cathy decides to live it up. She�ll say and do exactly what she wants from here on out. Stars Laura Linney and Oliver Platt. no Thu, 01 Oct 2015 12:26:25 EDT