Planet Earth

John Saxon

Dylan Hunt

Janet Margolin

Harper-Smythe

Ted Cassidy

Isiah

Christopher Cary

Baylok

Diana Muldaur

Yuloff

Sally Kemp

Treece

Jo De Winter

Villar

Claire Brennen

Delba

Corinne Camacho

Bronta

Majel Barrett

Yuloff

Jim Antonio

Jonathan Connor

Aron Kincaid

Gorda

John Quade

Kreeg Commandant

Rai Tasco

Pater Kimbridge

Sue Dahlman

Thetis

Lew Brown

Merlo

Robert Sutton

Kreeg Captain

Joan Crosby

Kyla

James Bacon

Partha

Craig Huxley

Harpsichordist

Gene Roddenberry

Teleplay, Executive Producer, Story

Dick Warlock

Stunts

Ed Baer

Set Decoration

Harry Sukman

Original Music Composer

Archie R. Dalzell

Director of Photography

George Watters

Editor

Craig R. Baxley

Stunt Driver

Hoyt Bowers

Casting

William Ware Theiss

Costume Design

Marc Daniels

Director

Juanita Bartlett

Teleplay

Tony Epper

Stunts

Bob Bralver

Stunts

Jack Verbois

Stunts

Loren Janes

Stunt Coordinator

Robert Kinoshita

Art Direction

Robert H. Justman

Producer

Kurt Neumann

Unit Production Manager

Tap Canutt

Stunts