After scouring the internet with grim determination, I managed to find some Fred Koehler press. But, um, word to Fred's agent: you need to pimp your boy some more! That said, on to the articles ...

Chip off the Old Block

No Kidding

Remembering the Tempests of Adolescence

And from the imDb.com:

Frederick Koehler
dob: 6/16/1975
Jackson Heights, New York, USA
Graduated from Carnegie Mellon University in Pittsburgh with a degree in theater.
Has tattoos of an Indian chief and an Aztec sun god. However, the Nazi swastika tattoo that shows up with his role on HBO's "Oz" was only makeup.

Filmography:

AKA Birdseye (2001)
Pumpkin (20??)
"Paramour" (1999) (mini) TV Series
"Oz" (1997) TV Series .... Prisoner #99S3333 Andrew Schillinger (1999)
"All My Children" (1970) TV Series .... Oyster Cracker (1997-1998)
Positively True Adventures of the Alleged Texas Cheerleader-Murdering Mom, The (1993) (TV) .... Shane Harper
Kiss Before Dying, A (1991) .... Mickey
Night Walk (1989) (TV) .... Eric Miller
Pick-up Artist, The (1987) ....Richie
He's Fired, She's Hired (1984) (TV)
"Kate and Allie" (1984) TV Series .... Chip Lowell
Mr. Mom (1983) .... Alex Butler

Notable TV Guest appearances:

"Profiler" (1996) playing "Arthur" (as Fred Koehler) in episode: "Pianissimo" 4/29/2000
"Judging Amy" (1999) playing "Joe Broussard" in episode: "Drawing the Line" 2/29/2000
"Ally McBeal" (1997) playing "Marcus" in episode: "Out in the Cold" 1/10/2000
"Strangers With Candy" (1999) playing "Ricky" in episode: "Bogie Nights" 6/14/1999
"Law & Order" (1990) playing "Steven Lang" in episode: "Haven" 2/10/1999