A crook decides to bump off members of his inept crew and blame their deaths on a legendary sea creature. What he doesn't know is that the creature is real.
![]() |
Antony Carbone | Renzo Capetto |
![]() |
Betsy Jones-Moreland | Mary-Belle Monahan |
![]() |
Robert Towne | Sparks Moranaja aka Agent XK150 |
![]() |
Beach Dickerson | Pete Peterson Jr. |
![]() |
Robert Bean | Happy Jack Monahan |
![]() |
Esther Sandoval | Carmelita Rodríguez |
![]() |
Sonia Noemí González | Mango Perez |
![]() |
Edmundo Rivera Álvarez | Gen. Tostada |
![]() |
Terry Nevin | Cuban |
![]() |
Elisio López | Cuban |
![]() |
Tanner Hunt | Cuban |
![]() |
Blanquita Romero | Rosina Pérez |
![]() |
Armando Rowra | Cuban |
![]() |
John Fles | First Man Chasing XK150 (scenes added later for television showings) |
![]() |
Jacqueline Ebeier | Agent Sparks (scenes added later for television showings) |
![]() |
Stanton Kaye | Cuban |
![]() |
Karl Lukas | Bartender (scenes added later for television showings) |
![]() |
Charles Macaulay | Man with Walking Stick |
![]() |
Richard Sinatra | Man at Pay Phone (scenes added later for television showings) |
![]() |
Dale Wilbourn | Cuban Leader |
Director | Roger Corman |
![]() |
Writer | Charles B. Griffith | |
Producer | Roger Corman, Charles Hannawalt | |
Musician | Fred Katz | |
Photography | Jacques Marquette |