Directed by Al Adamson Written by Chris Martino Mark Eden Al Adamson Cast Roy Morton ... Joe Corey Tacey Robbins ... Linda Clarke Kirk Duncan ... David Clarke Tanya Maree ... Vicky John Armond ... Nicky Lyle Felice ... Vito Joey Benson ... Lt. Frank Ward John Talbert ... Curtis K.K. Riddle ... Nancy Clarke Shary Richards ... Mrs. Ward Gordon Edwards   Carol Gilbert   Maria Tallafuss   Richard Russell Ramos ... (as Richard Ramos) Dorothy Holland   Larry Reed ... Man with Letter at Nightclub Bar Roy Lindberg   Bernard Paul   John Mantooth   Johnnie Decker   Dave Russell   Nadine Arlyn   The Vendells ... Music Group Uncredited Cast Al Adamson ... Travis Produced by Al Adamson Don Geuss Original Music by Don McGinnis Jimmie Roosa

Additional Info Premiere: 1965 DVD Release: March 30, 2004 Country: Distributor: Troma Entertainment Websites: Alternate Titles Echo Of Terror Production Companies Tal Productions Distributors Hemisphere Pictures   (1965) (United States) (theatrical) Troma Team Video   (2004) (United States) (DVD) IndieFlix   (2010) (World-wide) Severin Films   (2020) (United States) (widescreen Techniscope version) (Blu-ray) Rating Stats Overall Rating 4.3 / 10 Our Rating 4.6 / 10 Your Friends -- / 10 Male Users -- / 10 Female Users -- / 10 Site Ranking #10,477 / 20,698 Ratings Breakdown Mediocre 1 total rating Site Ranking #10,473 Teenage Mutant Ninja Turtles: The Coming Out Of Their Shells Tour (1990) #10,474 Voices (1973) #10,475 We Wish You A Turtle Christmas (1994) #10,476 Serum (2006) #10,477 Psycho A Go-Go (1965) #10,478 Tooth Fairy: Root Of Evil (2020) #10,479 The Penthouse (2021) #10,480 Doppelherz (2003) #10,481 3 Demons (2022)