One of Our Spies Is Missing

Robert Vaughn

Napoleon Solo

William H. O'Brien

The Butler (archive footage) (uncredited)

Kenner G. Kemp

Byram Club Member (archive footage) (uncredited)

Jeffrey Sayre

Meeting Guest (archive footage) (uncredited)

Robert Easton

Mr. Bentley - the Texan

Leo G. Carroll

Alexander Waverly

James Doohan

Phillip Bainbridge

Wilbur Mosier

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David McCallum

Illya Kuryakin

Maurice Evans

Sir Norman Swickert

Vera Miles

Madame Raine De Sala

Dolores Faith

Lorelei Lancer

Bernard Fox

Jordin

Cal Bolder

Fleeton

Yvonne Craig

Wanda

Ann Elder

Joanna Sweet

Harry Davis

Prof. Alexander Gritsky

Monica Keating

Olga

Ahna Capri

Do Do (as Anna Capri)

Ollie O'Toole

Corvy

Anthony Eustrel

Steward

Richard Peel

Cat Man

Barry Bernard

Pet Shop Owner

E. Darrell Hallenbeck

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