The Tenth Level

William Shatner

Prof. Stephen Turner

Lynn Carlin

Barbara

Ossie Davis

Reed

Viveca Lindfors

Mrs. Schnagel

Estelle Parsons

Crossland

Roy Poole

Dr. Goodman

Mike Kellin

Mancuso

Richard McKenzie

Mr. Dennison

Fred J. Scollay

Dr. McBride

Stephen Macht

Dahlquist

Lindsay Crouse

Karen

Charles White

Harry Vogel