Raymond Burr as Perry Mason

Barbara Hale as Della Street

William R. Moses as Ken Malansky

Teresa Wright as Helene Berman

Yvette Mimieux as Danielle Altmann

Ian Bannen as Otto Rosen

Ian McShane as Andre Marchand

Terry O'Quinn as Curt Mitchell

Marcy Walker as Marie Ramsey

Paul Freeman as Carl Meyerhoff

Mickey Knox as Col. Butler

Tim Ryan as Capt. David Berman

Kim Thomson as Cathy Bramwell

Brian Greene as Ambassador Todd

Jeremy Hawk as Felix Altmann

Paul Maxwell as Capt. Calvelli

Richard D. Sharp as Major Fletcher