Michael C. Hall Dexter Morgan , Jim Lindsay Actor, Executive Producer Clancy Brown Kurt Caldwell Actor Julia Jones Angela Bishop Actor Alano Miller Logan Actor Johnny Sequoyah Audrey Actor Jack Alcott Harrison Morgan , Randall Actor David Magidoff Teddy Actor Jennifer Carpenter Debra Morgan Actor Bill Carraro Executive Producer Sara Colleton Executive Producer John Goldwyn Executive Producer Clyde Phillips Executive Producer Scott Reynolds Executive Producer Marcos Siega Executive Producer