Michael Cera

Armen (voice)

Keke Palmer

Ramona (voice)

Bobby Cannavale

Bobby (voice)

John Magaro

Manny (voice)

Jon Rudnitsky

Jimmy (voice)

Steven Van Zandt

Bruno (voice)

Vanessa Bell Calloway

Val (voice)

Shoshannah Stern

Shelly (voice)

Ron Funches

Anemone (voice)

Mario Cantone

Mr. Cacciatore (voice)

Russell Brand

Mako (voice)

Gideon Adlon

Denise (voice)

Liza Tarbuck

Camille (voice)

Lesli Margherita

Etta / Bedazzled Lady (voice)

Cassie Scerbo

Loretta / Sea Crab Mom / Female Land Crab (voice)

Phil LaMarr

Big Sal / Little Junior / Donny / Additional Voices (voice)

Steve Schirripa

Mr. Marinara (voice)

Sharon Angela

Mrs. Marinara (voice)

Jimmy Donaldson

Hot Sauce Crab (voice)

Joseph Balderrama

Chauncey (voice)

Sean Chiplock

Nigel (voice)

David Soren

Yoga Crab / Battle Dad (voice)

Valarie Rae Miller

Townie Crab / Neon Crab / Female Sea Crab (voice)

Jim Cummings

Curly / Local Land Crab (voice)

Maureen Van Zandt

Shop Mother (voice)

David Ian Salter

Unicorn Crab (voice)

Jana Bernard

Loretta (singing voice)