did he work as a television host in a tv show?
Yes, he was one of the original host of "Live & Kicking"
John Barrowman
Barrowman was one of the original hosts of "Live & Kicking"
who does jack end up with in secret life UNANSWERABLE who is jack harkness? He is a fictional character  in "Doctor Who" and its spin-off series, "Torchwood". what is this character's nature and personality? lethally charming good looking and utterly captivating", as well as "flirtatious, cunning, clever and a bit of an action man". Jack's personality is relatively light-hearted what is doctor who? It s a British science fiction television programme what is this programme all about? The programme depicts the adventures of a Time Lord called "the Doctor", an extraterrestrial being, to all appearances human. The Doctor explores the universe in a time-travelling space ship called the TARDIS. who is the creator of this show? Sydney Newman which actor plays the role of that mentioned character? John Barrowman what are the other films/tv shows this actor can be seen in? "De-Lovely" ,  "The Producers" ,  "Dancing on Ice" and others has he written a book? No, but he helped his sister in writing a book what are some of the philanthropic activities he is involved in? He worked with Stonewall, a gay rights organisation in the UK, he was one of 48 British celebrities who signed a public notice warning voters against Conservative Party policy towards the BBC prior to the 2010 general election, etc.
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John Barrowman [SEP] Television presenter
Barrowman was one of the original hosts of "Live & Kicking", a children's Saturday morning variety show on the BBC. During this time, he became known for his catchphrase, "it's a dirty rat!", which he used during a phone-in game set in a haunted house. From 1993–1994, Barrowman reported on technology news as the host of the "Electric Circus" segment of the show. He appeared on the children's television game show, "The Movie Game" from 1994–1996, taking over from Jonathon Morris. Barrowman was one of the regular presenters on Channel 5's afternoon show "5's Company" from 1997–1999. Barrowman read bedtime stories on the CBeebies channel between 1 and 5 May 2006.