<P> Several of the performers, including the three regulars Brady, Mochrie and Stiles, had previously appeared in the original run of Whose Line in the UK; other performers who had made appearances in the British version are Greg Proops, Brad Sherwood, Chip Esten, Karen Maruyama and Josie Lawrence, as well as musician Laura Hall . Mochrie and Stiles have been regulars since the show started, whilst Brady became a regular from season 2 - 7, appearing as a recurring performer in seasons 1 and 8 . Mochrie is the only performer to have appeared in every episode of the US series of Whose Line?, with Stiles having missed two recordings due to illness . Of the recurring performers to occupy the fourth seat, Proops and Sherwood are the most prolific, with 66 total appearances each . </P> <P> The original host of the U.S. show was Drew Carey, who appeared in every episode of series 1 - 8 . Carey notably took more of an active role in the show than his predecessor Clive Anderson, as following the announcement of the "winner" of each show, Carey would perform a game with the other performers . After the CW revival in 2013, Aisha Tyler took over as host, as Carey was the host of The Price is Right, which ran at the same time as Whose Line, however Carey is mentioned numerous times by Tyler and the other performers . Unlike Carey, Tyler does not perform full games with the other performers, however does occasionally interject in quick fire games such as Scenes from a Hat with her own suggestions . </P> <Ul> <Li> Colin Mochrie--310 episodes </Li> <Li> Ryan Stiles--308 episodes </Li> <Li> Wayne Brady--300 episodes (starring seasons 2--7, 9--; recurring seasons 1 & 8) </Li> <Li> Drew Carey (host)--219 episodes (seasons 1--8) </Li> <Li> Aisha Tyler (host)--91 episodes (season 9--) </Li> </Ul> <Li> Colin Mochrie--310 episodes </Li>

Who's the cast of whose line is it anyway
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