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John Anderson
Character: Brig. General Earl Rigney
Episode: To Kill or Be Killed
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Michael Anderson Jr.
Character: Michael Rigney
Episode: To Kill or Be Killed
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Edward Andrews
Character: Roswell Borden
Episode: Time and Memories
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R.G. Armstrong
Character: Warden
Episode: The Double Wall
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Barry Atwater
Character: Michael Holt
Episode: The Reunion
Character: Lester Workman
Episodes: The Grandstand Play Part I; The Grandstand Play Part II
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Lloyd Bochner
Character: Walter Gregson
Episode: Beautiful Screamer
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Peter Bonerz
Character: Earl
Episode: The Ransom
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Sorrell Booke
Character: Dr. Sam Berman
Episode: The Double Wall
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Eric Braeden
Character: Klaus Marburg
Episode: The Second Shot
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Roger C. Carmel
Character: Misha the Bear
Episodes: F.O.B. Honolulu Part I; F.O.B. Honolulu Part II
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Gary Collins
Character: Henry Lockman
Episodes: Dear Enemy
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Hume Cronyn
Character: Lewis Avery Filer
Episode: Over Fifty? Steal
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Royal Dano
Character: Hody Linquist
Episode: Paniolo
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Andrew Duggan
Character: Obie O'Brien
Episode: The Ransom
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Ed Flanders
Character: Dmitri Rostov
Episode: The Guarnerius Caper
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Harry Guardino
Character: Mike (Michael Donald) Martin
Episode: Trouble in Mind
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Al Harrington
Character: Charlie
Episode: The Late John Louisiana
Character: 1st Guard
Episode: The Double Wall
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Ron Hayes
Character: Roy
Episode: The Ransom
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Mark Jenkins
Character: Marty Collins
Episode: The Bomber and Mrs. Moroney
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Jock Mahoney
Character: Coley Bennett
Episode: The Grandstand Play Part I; The Grandstand Play Part II
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Monte Markham
Character: Harry Kellem
Episode: The Double Wall
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Donald Moffat
Character: Dr. David Forbes
Episode: And a Time to Die...
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George Murdock
Character: Hank Merrill
Episode: The Gunrunner
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Simon Oakland
Character: Frank Epstein
Episode: The Reunion
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Tim O'Connor
Character: Sheldon Orwell
Episode: Ten Thousand Diamonds and a Heart
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Albert Paulsen
Character: Josef Sarpa
Episode: The Guarnerius Caper
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Pernell Roberts
Character: Lon Phillips
Episodes: The Grandstand Play Part I; The Grandstand Play Part II
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Albert Salmi
Character: Vince Ryan
Episode: The Payoff
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William Schallert
Character: Craig Wilkie
Episode: The Double Wall
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Martin Sheen
Character: Arthur Dixon
Episode: Time and Memories
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Teru Shimada
Character: Shigato
Episode: The Reunion
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Frank Silvera
Character: Frank Kuakua
Episode: Paniolo
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Joseph Sirola
Character: Jonathan Kaye
Episode: F.O.B. Honolulu Part I; F.O.B. Honolulu Part II
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Morton Stevens
Character: Hank
Episode: Trouble in Mind
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Elliott Street
Character: Gary Phillips
Episodes: The Grandstand Play Part I; The Grandstand Play Part II
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Don Stroud
Character: Nick Pierson
Episode: The Late John Louisiana
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Dub Taylor
Character: Ray Tobias
Episode: Dear Enemy
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Warren Vanders
Character: Jase Gorman
Episode: The Payoff
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John Vernon
Character: Cal Anderson
Episode: Force of Waves
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Mills Watson
Character: Banyan
Episode: The Double Wall
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