Also trailing by a dozen or so miles was four-time champion Jeff King, who was followed by a cluster of contenders, including Seavey's son, Dallas Seavey.

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The movie, which also stars Stiller as struggling action star Tugg Speedman and Jack Black as gross-out king Jeff Portnoy, features some testy altercations between Downey's Lazarus and Jackson's Chino.

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"We let opportunities define our model, " says Jeff Gregory, 47, King's CEO since his brother announced his retirement in January.

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"We let opportunities define our model, " says Jeff Gregory, 47, King's chief executive since his brother announced his retirement in January.

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Jeff Portnoy (Jack Black), king of the gross-out comedies, who wants to show he's more than the sum of his belches.

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