Here's a graph of the MST3K crew's participation in the show.

Cast Participation - on screen
Cast KTMA (21) 1 (13) 2 (13) 3 (24) 4 (24) 5 (24) 6 (24) 7 (6) 8 (22) 9 (13) 10 (13) Tot Eps
Josh 34
Joel 107
Trace 149
Kevin 163
Frank 109
Mike 90
Mary Jo 54
Bill 48

    MST3Kdb.com design and original content © 2005 BoB McClure
    Mystery Science Theater 3000 © Best Brains, Inc.   -   All other imagery and information © its respective owner or else public domain