Stuart Whitman

Capt. Steven Welch

Paul Mantee

Lnt. Mike Mitchell

Bart Braverman

Macdonald

Leon Askin

Russian chairman

Harvey Vernon

Duncan

G.B. Fisher

Boris Petroff

Persis Khambatta

Sylvia Kruger

Emile Beaucard

Soviet Sub Exec

Martin Beck

C.I.A. Man - Berlin

Simmy Bow

Allan Kuskowski

director, writer

Dave Hanson

writer, producer

Bob Nudo

producer

Jan Michael Alejandro

composer

Glenn Roland

cinematographer

Bret Hampton

editor

Jay Melzer

editor

George Verschoor

editor