David

Av Deit Din (1 episode)

Mr. Domont

Richard

Lewis (1 episode)

Principal Reid

Nightwing (voice)

Calvin Kelvin

Agent Al Govelli (1 episode)

Tucker Hayes

Bruce Dodes

Matt Couric

William Wiseman (1 episode)

Daniel

Executive #1

Randy (1 episode)

Edgar Cromwell (1 episode)

Billy Joe Philbin

Dr. Edwards

Turner (1 episode)

A.J. Pritchard (1 episode)

Neurologist (1 episode)

Howard Koontz (2 episodes)

Mr. Simmons (1 episode)

Mike's Lawyer

Hal Jordan (voice) (1 episode)

Green Lantern (voice) (1 episode)

ER Doctor (1 episode)

Dan Frye (1 episode)

Harvard Dean (1 episode)

Surgeon #2 (1 episode)

Dr. Shore (1 episode)

Pierre LeMange (1 episode)

Male Parent (1 episode)

(1 episode)

(1 episode)

Bob Meyers (1 episode)

(1 episode)

WEIE Attorney (1 episode)

Jarin (1 episode)

Emcee (1 episode)

Reporter

Gordon

Dr. Baker (1 episode)

Producer (1 episode)

Irate Passenger

Julian (voice) (2 episodes)

Vet (1 episode)

Anson (2 episodes)

Immigration Attorney (1 episode)

Lawyer #2 (1 episode)

Mr. Roscoe (1 episode)

Celebrant

Group Leader (1 episode)

Homeowner (1 episode)

Dr. Marchant (1 episode)

Atty. Mitchell Gore (1 episode)

Mr. Mooney

Damien (voice)

Dick Grayson / Robin (voice)

Dick Grayson

Nightwing / Dick Grayson (voice) (5 episodes)

Dick Grayson (voice) (2 episodes)

Mo (voice) (1 episode)

Attendant (1 episode)

(1 episode)

Gringo (voice)

Robin (voice) (38 episodes)

(1 episode)

Anchorman (uncredited)

Jordan Knight (voice) (14 episodes)

Anesthesiologist (1 episode)

Rick Gordon / Young Kurt (voice) (65 episodes)

Clarence Norman (1 episode)

(1 episode)

Roy (8 episodes)

Charlie Boy

Jeff Pevney

Buddah

Fritz Hansel