The Beast of Yucca Flats (1961)

35mm film, black and white, 1.37:1
mono, English

An American science fiction film directed by Coleman Francis.

Plot Summary

A defecting Soviet scientist is transformed into a monster when he is caught up in a nuclear explosion.


Directed by: Coleman Francis
© MCMLXI [1961] by Coleman Francis
Anthony Cardoza presents
Executive Producers: Roland Morin, James Oliphant [real name: Jim Oliphant]
Produced by: Coleman Francis and Anthony Cardoza
Associate Producers: Laurence Aten [real name: Larry Aten], Charles Stafford [real name: Bing Stafford]
Production Supervisor: Austin McKinney
Written by: Coleman Francis
Assistant Director: Austin McKinney
Director of Photography: John Cagle
Cameraman: Lee Strosnider
Editor: C. Francis [real name: Coleman Francis]
Music: Irwin Nafshun, Al Remington
Makeup: L. Aten [real name: Larry Aten]
Film Effects: Ray Mercer

Douglas Mellor (Hank Radcliffe)
Barbara Francis (Lois Radcliffe)
Bing Stafford (Jim Archer)
Larry Aten (Joe Dobson)
Linda Bielema (Wife on Vacation)
Ronald and Alan Francis (lost boys [Randy and Art Radcliffe])
Tony Cardoza [real name: Anthony Cardoza] (KGB driver/helpful neighbour)
Bob Labansat (Javorsky's Bodyguard
Jim Oliphant (Husband on Vacation
John Morrison (KGB Passenger
Eric Tomlin (driver run off road)
Jim Miles (Javorsky's driver)
George Principe [real name: George Prince] (man who reports murder)
Conrad Brooks (man at airfield)
Graham Stafford (news boy)
Tor Johnson as the beast

Alternative Titles

The Atomic Monster: The Beast of Yucca Flats
A Besta de Yucca Flats – Brazil
Girl Madness – USA (re-release)
O Monstro de Yucca Flats – Portugal



  • Aurum Film Encyclopedia: Science Fiction by Phil Hardy (ed) p.206
  • Encyclopedia of American Spy Films by Larry Langman & David Ebner p.27-28 – credits, note
  • Escape Velocity by Bradley Schauer pp.103
  • Feature Films, 1960-1969: A Filmography of English-language and Major Foreign-language United States Releases by Harris M. Lentz III p.30
  • Horror and Science Fiction Films: A Checklist by Donald C. Willis p.40 – credits
  • Horror and Science Fiction Films III by Donald C. Willis p.330
  • Nuclear Movies: A Filmography by Mick Broderick p.61
  • by Walt Lee p.28 – credits
  • Sixties Shockers by Mark Clark and Bryan Senn pp.47-48