highest rated
acting
- Alien from the Deep → Dr. Geoffrey
- Born to Fight → Prisoner #2
- Zombie Flesh Eaters 2 → Plant Director (scenes deleted) (as Alan Collins)
- Strike Commando → Le Due
- Double Target → McDouglas
- White Apache → Cribbens
- Cobra Mission → Phil Lawson's father
- Savage Island → Paco
- Commando Leopard → Friend of Carrasco's Father
- Jungle Raiders → Gin Fizz
- The Ark of the Sun God → Beetle
- Code Name: Wild Geese → Priest
- The Last Blood → Freeman
- Yor: The Hunter from the Future → Peg
- Exterminators of the Year 3000 → Papillon
- The World of Yor (TV) → Pag
- The Hunters of the Golden Cobra → Greenwater
- Tiger Joe → Lenny
- Screams in the Night → Paul (as Alan Collins)
- Escape from Hell → The Warden
- The Last Hunter → Bartender
- Return of the Saint (TV) → Rotti
- The Crimson Night of the Hawk → Don Wilson
- Pigs with a P.38 → John
- Private House of the SS → Professor Jürgen
- The Bloodsucker Leads the Dance → Gregory
- Gangsters
- Puttana galera!
- Liebes Lager
- The Loves and Times of Scaramouche → Babette's Husband (uncredited)
- Rome, Armed to the Teeth → Savelli's Henchman
- Sorbole... che romagnola! → Attilio
- Syndicate Sadists → One of Conti's Men
- La bolognese → Secondo - father of Caterina
- Legend of the Sea Wolf → Cookie
- Evil Eye → William Stevens
- The Sergeant Rompiglioni Becomes... Corporal → Arthur Davis
- Frankenstein's Castle of Freaks → Hans
- Kiss of a Dead Woman → Berto
- Death Will Have Your Eyes → Antonio
- Seven Deaths in the Cat's Eye → Angus
- My Brother Anastasia → Pasquale
- Mr. Hercules Against Karate → Chief of Police
- The Case of the Bloody Iris → Fanelli - Club Owner (uncredited)
- All the Colours of the Dark → Francis Clay
- Pulp → Clairvoyant
- Baron Blood → Fritz
- It Can Be Done Amigo
- The Two Big Cats O'Nine Tails... and a Half in Amsterdam → scagnozzo di Berger
- Blackie the Pirate → Montbarque
- Kill! → Medina
- Trastevere → Tavern Customer
- His Name Was King → Mr. Collins
- Ivanhoe, the Norman Swordsman → Mortimer (as Alan Collin)
- The Two of the F. 1 at the Craziest, Craziest Race in the World → Herzog
- The Price of Death → Doctor Rosenthal
- The Devil with Seven Faces → Steve Hunter
- At the End of the Rainbow → Manolo, the barber
- Human Cobras → Louis Mortimer
- Hatchet for the Honeymoon → Vences (as Alan Collin)
- And God Said to Cain → Francisco Santamaria
- The Crook
- The Night of the Assassin → Mr. Anton
- Sartana in the Valley of Death → Paco
- Defeat of the Mafia → Frankie Agostino (as Alan Collins)
- Mr. Superinvisible → Raymond
- Sabata → False Father Brown
- Bootleggers
- The Unnaturals → Uriat
- Naked You Die → La Foret
- Vengeance → Domingo
- Taste of Vengeance → Bill Perkins
- One Step to Hell → Kirby
- Hello Glen Ward, House Dick → Lefty
- Death at Owell Rock → Judge Warren
- Golden Chameleon → Aragosta
- Dead Run → Van Joost
- The Devil's Man → Kew, the professor's assistant
- La spia che viene dal mareit → Allen Collins
- Where Are You Taking That Woman → Ivan (Rome segment) (uncredited)
- Almost Perfect Crime → Salah
- Diamonds Are a Man's Best Friend → Max
- Ypotron: Final Countdown → Strike
- A shudder on the skin → (as Alan Collins) Dr. Kerriman
- Terror-Creatures from the Grave → Kurt - the Gardener
- From the Orient with Fury → Henchman with eye patch
- Libido → Paul
- War Italian Style → German High-Ranking Officer
- Spy in Your Eye → Leonida
- Secret Agent Fireball → Yuri
- Blood and Black Lace → Cesare Lazzarini
- The Castle of the Living Dead → Dart
- Hyena of London
- The Whip and the Body → Losat
- The Nun of Monza
- The Centurion → Corinthian Messenger
- Werewolf in a Girls' Dormitory → Walter Geoffrey
- Two Women → Scimmione
- General Della Rovere → Prisoner
- The Roof
- Elementary School → Insegnante