Full cast of Sex&Drugs&Rock&Roll

John Ales

Rehab

20 episodes

Denis Leary

Johnny Rock

20 episodes

Elizabeth Gillies

Gigi

20 episodes

Robert Kelly

Bam Bam

20 episodes

Elaine Hendrix

Ava

20 episodes

John Corbett

Flash

20 episodes

Josh Pais

Ira Feinbaum

10 episodes

Mark Gessner

Noah

8 episodes

Rebecca Naomi Jones

Davvy / Davvy O / Davida O'Dell

5 episodes

Eric Sheffer Stevens

Brook Lanley

3 episodes

Campbell Scott

Campbell Scott

3 episodes

Callie Thorne

Cat

2 episodes

Nicholas Christopher

AJ

2 episodes

Joan Jett

Joan Jett

1 episode

Dave Grohl

Dave Grohl

1 episode

Michael Cyril Creighton

Bobby Q

1 episode

Olivia Macklin

Emma

1 episode

Griffin Dunne

Music Therapist

1 episode

Logan Schyvynck

Dancer #6

1 episode