Dennis St John was an actor.
Are You Afraid of the Dark?
1992 · Old Man
300
2007 · Spartan Baby Inspector
The Aviator
2004 · Custodian
Nuremberg
2000 · Franz von Papen
I'm Not There
2007 · Captain Henry
The Greatest Game Ever Played
2005 · Wallis' Butler
The Minion
1998 · Gregor
The List
2000
P.T. Barnum
1999 · Beefeater
Next Floor
2008 · Guest
The Sign of Four
2001 · Sherman
Captive
1998 · Shoe Shine Man
The Long Winter
1999 · Lord Russell (uncredited)
Summer
2002 · Professor Ridley
Devil's Rose
2005 · Homeless Man/Narrator
The Tell Tale Heart
1989 · The Old Man
The Scorpio Factor
1989
You're Driving Me Crazy
1991 · Father
