Full cast of Generator Rex

Daryl Sabara

Rex Salazar (voice)

59 episodes

Troy Baker

Van Kleiss (voice)

59 episodes

Grey DeLisle

Rebecca Holiday (voice)

59 episodes

Fred Savage

Noah (voice)

59 episodes

Wally Kurth

Agent 6 (voice)

59 episodes

John DiMaggio

Bobo Haha (voice)

59 episodes

Luke Perry

2 episodes

Bobby Soto

Federico (voice)

2 episodes

Frank Welker

1 episode

Dee Bradley Baker

1 episode

Robin Atkin Downes

1 episode

Brent Spiner

1 episode

Dante Basco

1 episode

Mark Hamill

1 episode

Miguel Sandoval

1 episode

Olivia D'Abo

1 episode

Matthew Lillard

1 episode

Maria Canals-Barrera

1 episode

Kath Soucie

1 episode

Marion Ross

1 episode

Carlos Alazraqui

1 episode

Greg Ellis

1 episode

James Horan

1 episode

Blake Lewis

1 episode

Jason Marsden

1 episode

James Hong

1 episode

Dave Wittenberg

1 episode

Felicia Day

1 episode

Freddy Rodríguez

1 episode

Khary Payton

1 episode