"Let's be clear about this. Things run differently now. I'm not a little girl. You and I won't be making love on this couch any time soon. Now, with that in mind, how can I help you?"- Marcus Hamilton, Origin Marcus Hamilton is a fictional character that appeared on the final season of the TV series Angel. The character is played by actor Adam Baldwin, who also worked with Angel creator Joss Whedon in the series Firefly, playing mercenary Jayne Cobb.