Cast
When cracks in the Earth's crust large enough to swallow a city block appear, a team of scientists must go deep into the Earth to find a way to stop the destruction.
Luke Perry (Acting)
Natalie Brown (Acting)
Michael Dorn (Acting)
Rick Roberts (Acting)
Marie Ward (Acting)
Mimi Kuzyk (Acting)
Michael Teigen (Acting)
Mike Realba (Acting)
Adam Frost (Acting)
James Downing (Acting)
Jefferson Brown (Acting)
Martin Roach (Acting)
1 January 2001
29 October 1966
7 July 1977
7 March 1973
18 November 1980
1 July 1981
12 May 1996
1 February 1999
10 December 2011
27 February 1983
27 November 1993
10 November 1985
30 January 2010
5 November 1978
13 October 1998
1 January 1956
16 March 1984
26 January 1985
23 August 2014
27 January 1968
20 May 2005