Guest Stars

Adam West As Dr. Jekyll and Mr. Hyde

Co-Guest Stars

Jack Laird As Laboratory Assistant Recurring

Main Cast

Rod Serling As Host

Recap

After drinking a concoction prepared by his assistant, Dr. Jekyll transforms into Mr. Hyde. After the change, Hyde examines himself in the mirrors, turns to his assistant, and tells him, "If I told you once, I told you a thousand times, go easy on the vermouth!!"..

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• Creator	Rod Serling
• Producer	Jack Laird
• Costume Designer	Bill Jobe
• Set Decorator	Chester R. Bayhi  |  John M. Dwyer
• Director of Photography	Lionel Lindon
• Art Director	Joseph Alves, Jr.
• Main Title Design	Wayne Fitzgerald
• Music Score	John Lewis (3)
• Film Editor	David Rawlins  |  Larry Lester  |  Jean-Jacques Berthelot
• Sound	Roger A. Parish  |  James R. Alexander (1)
• Assistant Director	Ralph Sariego  |  Lester William Berke
• Unit Manager	Burt Astor
• Executive Story Consultant	Gerald Sanford
• Assistant To The Producer	Anthony Redman
• Editorial Supervisor	Richard Belding
• Theme Music	Gil Melle
• Gallery Paintings	Thomas J. Wright  |  Logan Elston  |  Phil Bandierle