- Robert Taylor - Self - Host
- Robert Taylor - Shanghai Kelly
- Ronald Reagan - Self - Host
- Ronald Reagan - David Glasgow Farragut
- Ann Savage - Diamond Babe
- Brad Johnson - Lewis Manly
- Phyllis Coates - Virginia Arcane
- Robert Blake - William Bonney - Billy the Kid
- Lane Bradford - L. G. Murphy
- Slim Pickens - Wall Kennedy
- Richard Beymer - John Owens (as Dick Beymer)
- Gregg Palmer - David Randall
- Patrice Wymore - Fay Morgan
- John Alderson - John Tunstall (as John Anderson)
- John Alderson - Hugh Glass
- Robert Colbert - Ray Ritter
- Soon-Tek Oh - Matsunosuke Sakurai (as Soon-Taik Oh)
- Sherry Jackson - Katherine Turner
- Irene Tedrow - Mrs. Hemingway
- Ken Mayer - Seth Bremen
- Morgan Woodward - Fitzpatrick
- Victor French - Louis Baptiste
- John Hoyt - Crandel
- Wayne Rogers - George Schmidtlein
- Harry Lauter - Henry Schmidtlein
- Michael Dante - Capt. Richard Rocha
- Cesar Romero - Don Augustin Olvera
- Anna Navarro - Delores Olvera
- Ida Lupino - Pamela Mann
- DeForest Kelley - Elliott Webster
- DeForest Kelley - Shad Cullen
- DeForest Kelley - Clint Rogers
- James T. Callahan - Private Riggs (as James Callahan)
- James Coburn - Steve Barnes
- Yvonne De Carlo - Dr. Clare Reed
- John Vivyan - Ed Taylor
- Tris Coffin - Major Henry (as Tris Coffin)
- Tris Coffin - George Bennett (as Tris Coffin)
- Tris Coffin - Mayor
- Robert Anderson - Sheriff
- Dick Foran - Ferguson
- Grace Lee Whitney - Verna
- James Flavin - Perry
- Joseph Ruskin - Jeb Daley
- Don Megowan - Buff McCloud
- Don Megowan - Buck
- John Pickard - Sheriff Francis
- Carl Reindel - Jim Bridger
- Carl Reindel - Jack Desmond
- Hampton Fancher - Ned Murphy
- William Smith - Marshall Hendry Brown
- William Smith - Dan Turner
- Adrienne Hayes - Amy Murphy
- Robert Culp - Thomas Burdue / James Stuart
- John Zaremba - Judge Parsons
- June Dayton - Virginia Farragut
- William Schallert - Dave Meiser
- William Schallert - Ellis Higby
- William Douglas - Lt. Burnell
- Mary Murphy - Marianne
- Paul Birch - Mike Walsh
- Paul Birch - Jim Davidson
- Chanin Hale - Flora
- Robert Bice - Capt. Longden
- Robert Karnes - Brandon
- Robert Pine - Sailor
- Sid Haig - Thief
- Sid Haig - Farber
- Michael McHale - Harvey Pierce (as Mike McHale)
- Don Grady - Calvin Hays
- Arthur Space - Ben Hudson
- Anna-Lisa - Huldah Swanson
- Dub Taylor - Rupert
- Tom Lowell - Emmett Butler
- Tom Lowell - Jim Kirby
- Guy Prescott - Barnaby Taylor
- Patricia Donahue - Frances Trent
- Jack Kenney - Contest Judge
- Susan Brown - Nancy Cooper
- Darren McGavin - Zacharias Gurney
- Barry Harvey - Rev Endicott Peabody
- Tol Avery - Mayor George Hubble
- Emily Banks - Margaret Hubble
- Roy Engel - Jonas Dunne
- Luke Halpin - Sandy King
- Dan Sheridan - Sheriff Bowman
- Joe Lo Presti - Chappe
- Lomax Study - Joe Goodman
- Lomax Study - Henri Charpaud
Cesar Romero hace el papel de Don Augustin Olvera.
James Flavin interpreta a Perry en la serie.
DeForest Kelley interpreta a Clint Rogers en la serie.
Dale Robertson hace el papel de Self - Host.
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