did he appear in a reality tv show?
Yes, on "Dancing on Ice" on ITV1
John Barrowman
Barrowman took part in the reality television series "Dancing on Ice" on ITV1 in January and February 2006
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. did he work as a television host in a tv show? Yes, he was one of the original host of "Live & Kicking"
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John Barrowman [SEP] Film and reality television
Barrowman appeared as Ben Carpenter in the low-budget film "" (2002). His musical abilities are featured in several film roles: as Jack in the Cole Porter biopic "De-Lovely" (2004), singing a duet with Kevin Kline on the song "Night and Day"; and as the lead tenor Stormtrooper in "The Producers" (2005), singing "Springtime for Hitler". Barrowman co-presented and performed in the BBC One series "The Sound of Musicals" (2006). Barrowman took part in the reality television series "Dancing on Ice" on ITV1 in January and February 2006. Resembling a real ice skating competition, ice dancers Jayne Torvill and Christopher Dean trained celebrities to compete on the show.