Cast
Kim LyonsTrainer
Kim Lyons was >> in The Biggest Loser - Season 4 - "Biggest Loser" Revealed in Season Finale! (Episode 15). Birthday: Unknown Birthday
Bob HarperTrainer
Bob Harper was 42 in The Biggest Loser - Season 4 - "Biggest Loser" Revealed in Season Finale! (Episode 15). Birthday: Wed, Aug 18 1965
Alison SweeneyHost
Alison Sweeney was 31 in The Biggest Loser - Season 4 - "Biggest Loser" Revealed in Season Finale! (Episode 15). Birthday: Sun, Sep 19 1976
Jillian MichaelsTrainer
Jillian Michaels was 33 in The Biggest Loser - Season 4 - "Biggest Loser" Revealed in Season Finale! (Episode 15). Birthday: Mon, Feb 18 1974