George C. Scott

as Gloves Malloy / Spats Baxter

Trish Van Devere

as Betsy McGuire / Isobel Stuart

Red Buttons

as Peanuts / Jinks Murphy

Eli Wallach

as Vince Marlow / Pop

Harry Hamlin

as Joey Popchik ("Dynamite Hands")

Ann Reinking

as Troubles Moran ("Dynamite Hands")

Jocelyn Brando

as Mama Popchik / Mrs. Updike

Michael Kidd

as "Pop" Popchik ("Dynamite Hands")