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William Dean O'Neil

William Dean O'Neil is an actor, known for Investigaytion (2004), Closer Than the Boy Next Door (1998) and Til Death Do Us Part (1995). See full bio »
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So Bad But So Good: Delinquents We Love

From T2 Trainspotting to Rebel Without a Cause, cinema has been home to some lovable mischief-makers and endearing hoodlums. Here's a tribute to some of our favorites.

View more winning delinquents

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Known For

Investigaytion Gerald Duffy
Closer Than the Boy Next Door
Til Death Do Us Part
Til Death Do Us Part Mr. Crawford
Out on a Limb
Out on a Limb Driver


Hide Hide Show Show Actor (7 credits)
 2004 Investigaytion (Short)
Gerald Duffy (as William D. O'Neil)
 2002 Command & Conquer: Renegade (Video Game)
Additional Voices (voice)
 1999 Nash Bridges (TV Series)
Dr. Lieberman
- Truth & Consequences (1999) ... Dr. Lieberman
 1998 Closer Than the Boy Next Door
Mr. Gilliam
 1995 Til Death Do Us Part
Mr. Crawford
 1989-1990 Midnight Caller (TV Series)
Ryan O'Connor / Mr. Ryan
- A Snitch in Time: Part 1 (1990) ... Ryan O'Connor
- Take Back the Streets (1989) ... Ryan O'Connor
- Blues for Mr. Charlie (1989) ... Ryan O'Connor
- Promise to a Dead Man (1989) ... Mr. Ryan

Personal Details

Alternate Names:

William D. O'Neil

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