Horace Calloway is a fictional character in the ABC political drama Commander in Chief. He is the oldest of President Mackenzie Allen and First Gentlemen Rod Calloway's three children, a mere four minutes older than his sister, Rebecca Calloway. He attends public high school in Washington, DC, where he is on the swim team. He was caught plagarizing an English essay, and attempted to use his mother's position as leverage to avoid punishment. Aside from his academic difficulties, he is less rebellious than his twin sister, and also fiercely protective of her when it comes to her relationships with other boys. He is uninterested in politics, but generally agrees with his parents' independent politics, in sharp contrast to his twin sister's conservative ideologies. Commander-in-Chief is the commander of all the military forces within a particular region or of all the military forces of a state. ... Geena Davis as President Mackenzie Allen Mackenzie Spencer Allen, the first female President of the United States, is a fictional character in the ABC political drama Commander in Chief played by Geena Davis. ... Swim is short term variations of the significant instants of a digital signal from their ideal positions. ... Look up English in Wiktionary, the free dictionary As an adjective, English refers to anything from or pertaining to England. ... Fraternal twin boys in the tub Twin births occur in most species. ... Politics is a process by which collective decisions are made within groups. ... Conservatism or political conservatism is any of several historically related political philosophies or political ideologies. ...

He is portrayed by Matt Lanter. Matt Lanter, American actor, was born 1 April 1983 and is currently seen on ABCs Commander in Chief. ...