Chris Alcaide made ten appearances in THE RIFLEMAN, portraying different characters in each episode.  He is best known for his roles in westerns, having appeared in over 400 television western programs.  Alcaide, a veteran character actor of great range and talent appeared in a wide variety of projects, including "The Glass Menagerie," "The Wild One" with Marlon Brando, "Assassination" with Charles Bronson and "Kid Galahad" with Elvis Presley.  Other movie credits include "The Miami Story," "Gunslinger," "Miami Expose," "The 49th Man," "Massacre Canyon" and "Rock All Night."

Katharine Bard was an American actress.  She performed in 50 different movies and television shows in a career lasting nearly two decades.  She made appearances in various popular television series, including "Alfred Hitchcock Presents" (1955–1962) and "Perry Mason" (1957–1966).

Bard appeared in one episode of THE RIFLEMAN, in which she played Beth Landis in "The Trade" (episode 24).  In addition to THE RIFLEMAN, Bard also made an appearance in the Western series "Gunsmoke" (1955–1975).

Fox guest-starred in many popular television shows, including the sci-fi anthology series "Science Fiction Theatre" (1955–1957), the suspense anthology series "Alfred Hitchcock Presents" (1955–1962), the crime dramas "The Untouchables" (1959–1963) and "Arrest and Trial" (1963–1964), Rod Serling's iconic anthology series "The Twilight Zone" (1959–1964), the superhero parody "Batman" (1966–1968), the sci-fi series "Voyage to the Bottom of the Sea" (1964–1968), the espionage thriller "Mission Impossible" (1966–1973), the western action adventure series "The Wild Wild West" (1965–1969) and the Michael Crichton medical drama, "ER" (1994–2009).  He also had several recurring roles, including Blake Yedor in the western "Trackdown" (1957–1959), Coroner George McLeord in the detective series "Burke's Law" (1963–1966), various autopsy surgeons in the legal drama "Perry Mason" (1957–1966), Amos Fedders in the primetime soap opera "Falcon Crest" (1981–1990) and Saul Feinberg in the soap opera "The Bold and the Beautiful" (1987).

Fox made four guest appearances in THE RIFLEMAN, portraying Trager in "The Trade" (episode 24), Abel in "Letter of the Law" (episode 50), Joe Hannah in "The Hangman" (episode 76) and Jim Oxford in "Miss Milly" (episode 84).  He guest-starred in a few other westerns, including "Wanted: Dead or Alive" (1958–1961), starring Steve McQueen; "Gunsmoke" (1955–1975), starring James Arness; and "The Big Valley" (1965–1969), starring Barbara Stanwyck.

John Harmon was an American actor who appeared in over 250 roles in film and television from the 1930's through the 1970's.  His early roles were mostly uncredited, but he was cast in a wide variety of genres and played many different kinds of characters.  Harmon appeared in 15 episodes of THE RIFLEMAN as Eddie Halstead Hotel Clerk at the Hotel Madera.  The character of Halstead was first introduced in episode 7, "Duel of Honor."

Paul Richards, born Paul Richard Levitt, was an American radio, film and television actor.  He appeared in nearly 130 movies and television shows during a 20-year career.  He earned a Master's degree in theater from UCLA.  Among the films in which he appeared, Richards had minor roles in the historical drama "Demetrius and the Gladiators" (1954), starring Victor Mature, Susan Hayward and Michael Rennie; and the noir film "Kill Me Deadly" (1955), starring Ralph Meeker and Albert Decker.  He portrayed Trooper Perkins in the action western "War Paint" (1953), starring Robert Stack and Joan Taylor; and he played Rene the knife-thrower in the thriller "Phantom of the Rue Morgue" (1954), starring Karl Malden.  He also portrayed Mendez in the sci-fi film "Beneath the Planet of the Apes" (1970), starring James Franciscus, Kim Hunter, Maurice Evans and Linda Harrison.  His did voice work for many television commercials, including the iconic ad pitching the 1967 Pontiac GTO.

Richards guest-starred in many popular television shows of the 1950s through the 70s, including the family drama "Lassie" (1954–1974), the Disney adventure series "Zorro" (1957–1959), the road series "Route 66" (1960–1964), the legal drama "Perry Mason" (1957–1966), the crime dramas "Dragnet" (1951–1959) and "The Untouchables" (1959–1963), the adventure drama "The Fugitive" (1963–1967), the espionage thriller "I Spy" (1965–1968) and the Buck Henry spy spoof "Get Smart" (1965–1970).  Although he tended to be typecast in villain roles, he starred as the compassionate and caring Dr. McKinley Thompson in the short-lived medical drama "Breaking Point" (1963–1964).  He also played the recurring role of Louis 'Louy' Kassoff in the 20s-era New York crime drama "The Lawless Years" (1959–1961).

Richards made one appearance in THE RIFLEMAN, portraying Sam Morly in "The Trade" (episode 24).  He guest-starred in many other westerns, including "Bat Masterson" (1958–1961), "Rawhide" (1959–1966), "Have Gun – Will Travel" (1957–1963), "Death Valley Days" (1952–1975), "The Virginian" (1962–1971), "Gunsmoke" (1955–1975) and "Bonanza" (1959–1973).

Dan Sheridan, born Daniel Marvin Sheridan, was an American film and television actor.  He appeared in more than 50 movies and television shows during a 20-year career.  He had minor parts in film, including the biographical western "The Left-Handed Gun" (1958), starring Paul Newman, and the western drama "Lonely Are the Brave" (1962), starring Kirk Douglas, Gena Rowlands and Walter Matthau.  He guest-starred in several popular television shows of the 1950s and 60s, including the legal drama "Perry Mason" (1957–1966), the suspense anthology series "Alfred Hitchcock Presents" (1955–1962), the road series "Route 66" (1960–1964) and the crime drama "The Untouchables" (1959–1963).

Sherdian made one appearance in THE RIFLEMAN, portraying Sheriff McVey in "The Trade" (episode 24).  He guest-starred in many other westerns, including "Have Gun – Will Travel" (1957–1963), starring Richard Boone; "Bat Masterson" (1958–1961); starring Gene Barry, "Maverick" (1957–1962), starring Jack Kelly and James Garner; "Gunsmoke" (1955–1975), starring James Arness; "Rawhide" (1959–1966), starring Clint Eastwood; "The Life and Legend of Wyatt Earp" (1955–1961), starring Hugh O'Brian; "Bonanza" (1959–1973), starring Lorne Greene, Michael Landon, Dan Blocker and Pernell Roberts; and "The Virginian" (1962–1971), starring James Drury.