Gary Burghoff
as Walter "Radar" O'Reilly
Sally Kellerman
as Margaret "Hot Lips" Houlihan
Fred Williamson
as Spearchucker
Conrad John Schuck
as "Painless" Walt Waldowski
Bud Cort
as Private Boone
Tom Skerritt
as Duke Forrest
Roger Bowen
as Colonel Henry Blake
Jo Ann Pflug
as Lt. Dish