<I>SPEED</I> adds Stremme to reality show 'cast'. NASCAR Busch Series driver David Stremme has been added to the cast of SPEED Channel 's new reality series NBS 24/7 , joining Casey Atwood, Kasey Kahne, Tim Fedewa and two-time series champion Randy LaJoie as the programme debuts with back-to-back half-hour shows on 16 February.