Cast (18)

Robert Foxworth

Questor

Mike Farrell

Jerry Robinson

John Vernon

Geoffrey Darro

Lew Ayres

Vaslovik

James Shigeta

Dr. Chen

Robert Douglas

Dr. Michaels

Dana Wynter

Lady Helena Trimble

Ellen Weston

Allison Sample

Majel Barrett

Dr. Bradley

Reuben Singer

Dr. Gorlov

Walter Koenig

Administrative Assistant

Fred Sadoff

Dr. Audret

Gerald Peters

Randolph

Eyde Girard

Stewardess

Alan Caillou

Immigration Offical

Lal Baum

Col. Hendricks

Patti Cubbison

Secretary

Ian Abercrombie

Charlie

Crew (9)

Richard A. Colla

Director

Gene Roddenberry

Teleplay

J. Terry Williams

Editor

Howie Horwitz

Producer

Michael D. Margulies

Cinematography

Robert L. Kimble

Editor

Gene Roddenberry

Story

Gene L. Coon

Teleplay

Gil Mellé

Original Music Composer