Paul Ben-Victor
— Moe Howard
Evan Handler
— Larry Fine
John Kassir
— Shemp Howard
Michael Chiklis
— Curly Howard
Rachael Blake
— Helen Howard
Anna Lise Phillips
— Mabel Fine
Jeanette Cronin
— Gertrude Howard
Joel Edgerton
— Tom Cosgrove
Marton Csokas
— Ted Healy
Linal Haft
— Harry Cohn
Brandon Burke
— Harry Romm
Lewis Fitz-Gerald
— Jules White
Peter Callan
— Joe DeRita
Laurence Coy
— Joe Besser
Philip Hinton
— Judge
Peter Whitford
— Administrator
David Whitford
— Bailiff
Harry Weiss
— Solomon Horwitz
Buster Skeggs
— Jenny Horwitz
Jillian O'Dowd
— Cohn's receptionist
Olivia Pigeot
— Cohn's Secretary
Zoe Coyle
— Betty
Helen Dallimore
— Elaine
Peter Scarf
— Moe (at 15)
Douglas Blaikie
— Shemp (at 17)
Shaun Loseby
— Jerome (at 9)
Lisa Reynolds
— Dame
David Downer
— Winfield Sheehan
Michael Gregory
— Studio suit
David Baldwin
— Louis B. Mayer