Yuri Lowenthal character Sammy (voice)
Gemma Arterton character Shelly (voice)
Isabelle Fuhrman character Hatchling Shelly (voice)
Melanie Griffith character Snow (voice)
Tim Curry character Fluffy (voice)
John Hurt character Grandpa Sammy (voice)
Robert Sheehan character Ray (voice)
Kathy Griffin character Vera (voice)
Jenny McCarthy character Shelly (voice)
Gigi Perreau character Whale (voice)
Eric Unger character Hatchling #1 (voice)
Kierstin Koppel character Female Turtle #2
Pat Carroll character Old Female Turtle (voice)
Charlie Adler character Slim (voice)
Cam Clarke character Seagull (voice)
Alan Shearman character Old Turtle (voice)
Scott Menville character Jacko (voice)
W.K. Stratton character Fisherman (voice)
Pamela Adlon character Female Turtle (voice)
Tim Dadabo character Policeman (voice)
Al Rodrigo character Ben/VW Driver (voice)
Charlie Schlatter character Hippie (voice)
Donald Fullilove character Green Turtle (voice)
William Brent character Hatchling Sammy (voice)