John Alderman was a talented, prolific and ubiquitous actor in numerous low-budget exploitation features who appeared in everything from 1960s softcore items to 1970s drive-in fare to 1980s hardcore porn throughout the course of his long and diverse career.
Margin for Murder
Cannonball
As Team Manager
Trader Hornee
As Max Matthews
C.B. Hustlers
As Dancer
Drive-In Massacre
As Jim
Cleopatra Jones
As Bruce
Love Camp 7
As Capt. Robert Calais
The Alpha Incident
As Dr. Rogers
The Swinging Barmaids
As Andrews
Video Vixens!
As Beach Ball Poet
Time to Run
Hollywood Man
As Jesus
Girls on Fire
As Tony Cardoza
Pink Angels
As Michael
The Black Godfather
As Cockroach
Co-Ed Fever
As WR Jackson
Summer Camp Girls
As Louie Cortese
Seven
As Paul
The Ecstasy Girls
As J.C. Church
Superstition
As Romberg
Crazy with the Heat
As Franklin Delmar
Two Roses and a Golden Rod
As Billy / Father
Joanna Storm on Fire
As Jeff's Dad
Little Miss Innocence
As Rick Engels
The Animal
As Ted Andrews
The Ordeal of Patty Hearst
As Executive
Diamond Stud
As Mark Walburn
The Fabulous Bastard from Chicago
As Steve Desmond
Starlet!
As Phil Latio
New Year's Evil
As Dr. Reed
Angel on My Shoulder
Thar She Blows!
As Phil Latio
Malibu Express
As Lieutenant Arledge
Takin' It All Off
As Steven
Sex Play
As F.U.
This Is a Hijack
As Latimer
Teen-Age Jail Bait
As Joey
Saddle Tramp Women
As Billy Dan Clayton
The Dirty Dolls
As Johnny
The Boob Tube
As Ralph
Hannah, Queen of the Vampires
As First Fisherman
Black Samson
As Michael Briggs
The Erotic Adventures of Zorro
As Esteban
Divorce Las Vegas Style
As Jim
Dandy
As Larry Lebot
Stacey
As Dick Hannon - Loan Shark
Desires Within Young Girls
As Harrison Price (as Frank Hollowell)
The Hard Road
As Jimmy Devlin
A Taste of Decadence
As Bernhard Eastbrook
Satisfactions
As Bud Stone
And When She Was Bad...
As Ken
The Pick-Up
As Gordon
Good-bye Cruel World
As Butler
Society Affairs
As H.K. Austin Sr.
Amanda by Night
As Councilman Blakely
The Last Movie
As Jonathan
Escape from the Planet of the Apes
As Marine Corporal (uncredited)
The Stunt Man
As Carlbinerri
Nowhere to Hide
As Vittorio
Pork Chop Hill
As Lt. Waldorf
Cherry Ettes For Hire
As (as Frank Hallowell)
Mr. Horn
As Attorney
Ecstasy Girls II
As J.C. Church
Rated Sex
As Merle Smith (uncredited)
Joyride to Nowhere
As Lieutenant
The Baltimore Bullet
As Bookie
Center Spread Girls
As Thurman Parrish (as Frank Hollowell)
The Thrill of It All
As Mr. Caputo
The Screaming Woman
As Slater
Hot Spur
As Tom
The Chevy Mystery Show
As Randolph Marshall
Checkmate
As Andreas