Trivia: A former physical culture model, handsome, blond Ken Clark (born Kenneth Donovan Clark) gave Richard Egan a run for his money in the beefcake sweepstakes at 20th Century Fox in the mid-'50s. But Clark, who also appeared on such television shows as The Jack Benny Program and Schlitz Playhouse of Stars, was dropped by Fox after Love Me Tender (1956, with Egan and, in his screen debut, Elvis Presley). He then drifted into low-budget fare, including what proved to be his most memorable film, the Roger Corman thriller Attack of the Giant Leeches (1959). After the failure of a proposed TV series -- Brock Callahan, based upon a character in William Campbell Gault's detective novels -- Clark went Europe, where he starred in such fare as Arizona Bill (1964) and as Agent 077 in two 1965 Italian spy movies. He resumed his Hollywood career in the '80s with such productions as Twice in a Lifetime (1985) and the mini-series Invasion (aka Robin Cook's Invasion) in 1997.

Trivia: The daughter of musicians, this sultry femme fatale of late-'50s horror flicks had been the "White Rain" girl in television commercials before entering films in James Cagney's Short Cut to Hell (1957). (Prior to that she had reportedly been an extra in Sunset Blvd. (1950) while attending U.C.L.A.) Trained as a singer, Yvette Vickers (born Van Vedder) drifted into B-movies when the Cagney film flopped and is today best remembered for the horror movies she did for Roger Corman: Attack of the 50 Foot Woman (1958), as Allison Hayes's slatternly rival, and Attack of the Giant Leeches (1959). In the latter, playing Bruno Ve Sota's sluttish young wife, she is dragged into an underwater cage by the title creatures despite always professing a deep fear of drowning, her visible terror apparently quite real. Vickers, who did her fair share of television and stage appearances, was at the time better known for her extracurricular activities -- including a 15-year relationship with actor Jim Hutton and an on-again/off-again affair with Cary Grant -- and for a couple of important film roles that somehow slipped away: Lana Turner's daughter in Imitation of Life (1959) and the Carroll Baker part in The Carpetbaggers (1964). In later years, she concentrated on her singing career and made frequent personal appearances to discuss her work for Corman. On a bizarre note, Vickers was found deceased at her house in May 2011 in a condition which suggested that the body had been dead but lay undiscovered for nearly a year. No cause of death was immediately disclosed.

Trivia: Corpulent actor/director, best known as a featured player in numerous Roger Corman-produced and directed features of the late '50s. VeSota's earliest appearances are in key supporting roles in such films as Hugo Haas' B-thriller Bait (1954), but he began appearing in Corman's movies very early, with Apache Woman (1955), where his large girth and scowling visage made him a natural villain in pictures like Daddy-O (1958). Apart from Corman's movies, VeSota also played in such odd low-budget films as John Parker's Dementia (1955, also known as Daughter of Horror) and directed the B-crime thriller classic The Female Jungle (1955), which plays like a Jim Thompson nightmare and marked the big-screen debut of Jayne Mansfield. He moved back into the director's chair for The Brain Eaters (1958), a suprisingly effective (though wholly unauthorized) adaptation of Robert Heinleins The Puppet Masters. During the '60s, VeSota was most visible as an actor in television, especially in westerns, and he continued to play small parts in exploitation pictures such as the surf-and-sand songfest The Girls on the Beach.

Trivia: Burly American utility actor Gene Roth appeared in nearly 200 films, beginning around 1946. He was initially billed under his given name of Gene Stutenroth, shortening his surname in 1949. Most often cast as a hulking villain, Roth growled and glowered through many a Western and serial (he was the principal heavy in the 1951 chapter play Captain Video). He also showed up in several Columbia two-reel comedies, starting with the Shemp Howard/Tom Kennedy film Society Mugs (1946). A frequent foil of the Three Stooges, Columbia's top short-subject stars, Roth extended his association with the comedy trio into the 1962 feature The Three Stooges Meet Hercules. A ubiquitous TV actor, Roth was frequently cast as a judge or bailiff on the Perry Mason series and essayed two roles in the 1961 Twilight Zone classic "Shadow Play." An active participant on the nostalgia-convention circuit of the 1970s, Gene Roth died in 1976 when he was struck down by a speeding automobile.

Trivia: Character actor, onscreen from 1951.

Trivia: In films from 1939, character actor Dan White trafficked in small-town blowhards and rustic constables. Often unbilled in bit roles, White was occasionally afforded such larger roles as Deputy Elmer in Voodoo Man (1944), Millwheel in The Yearling (1946) and Abel Hatfield in Roseanna McCoy (1949). He remained active until the early 1960s. The "Dan White" who appeared in 1977's Alien Factor is a different person.

Trivia: Bald, moon-faced character actor George Cisar kept busy in a 22-year Hollywood career with roles in well over 100 film and television productions, starting in 1948 with an uncredited bit as a policeman in Henry Hathaway's Call Northside 777. Perhaps it was his rough-hewn yet genial features, coupled with an unaffected working-class accent and demeanor, but he was frequently put into police uniforms; and, in fact, many baby boomers may instantly recognize Cisar's face, if not his name, for his recurring role as the long-suffering Sgt. Mooney on the series Dennis the Menace, a part he portrayed in over two dozen episodes between 1960 and 1963. He worked in every genre from romantic comedies to Westerns, horror, and science fiction. In 1956 alone, Cisar was a barfly in Fred F. Sears' Teenage Crime Wave; a bartender in Sears' The Werewolf; and the somewhat disingenuous father of a vengeful teenager, who tries to sponsor and then derail a controversial rock & roll show, in Sears' Don't Knock the Rock. Cisar was obviously reliable, as director Sears and producer Sam Katzman -- who made those three movies -- were known for efficient filmmaking on a notoriously low budget.Cisar worked a lot for them at Columbia Pictures (which also produced Dennis the Menace), but he also did a lot of work at Ziv TV, on series such as Highway Patrol and Bat Masterson, in addition to regular appearance in Dragnet, where Jack Webb apparently liked keeping him busy and employed. Cisar could be funny or sinister, and some of his appearances were limited to a single line or two of dialogue, as in The Giant Claw (1957), where he provided a moment of comic relief (indeed, in that movie, his scene was one of the rare intentionally amusing moments). He also turned up in tiny roles in high-profile pictures such as Jailhouse Rock (1957) and Some Came Running (1958). Typically, Cisar would go from a co-starring part in a low-budget exploitation picture, such as Bernard Kowalski's Attack of the Giant Leeches, to a bit in, say, Don Siegel's Edge of Eternity, and then right on to an episode of The Untouchables (all 1959). Cisar retired at the start of the 1970s and passed away in 1979.