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 #10,661 / 21,263 Ratings Breakdown Mediocre 1 total rating Site Ranking #10,657 Teenage Mutant Ninja Turtles: The Coming Out Of Their Shells Tour (1990) #10,658 Voices (1973) #10,659 We Wish You A Turtle Christmas (1994) #10,660 Serum (2006) #10,661 Psycho A Go-Go (1965) #10,662 The Penthouse (2021) #10,663 3 Demons (2022) #10,664 The Savage Seven (1968) #10,666 A Daughter Of Destiny (1928)