Chris Pratt

as Peter Quill

Born 06/21/1979, age

Zoe Saldaña

as Gamora

Born 06/19/1978, age

Dave Bautista

as Drax

Born 01/18/1969, age

Vin Diesel

as Groot (voice)

Born 07/18/1967, age

Bradley Cooper

as Rocket (voice)

Born 01/05/1975, age

Lee Pace

as Ronan

Born 03/25/1979, age

Michael Rooker

as Yondu Udonta

Born 04/06/1955, age

Karen Gillan

as Nebula

Born 11/28/1987, age

Djimon Hounsou

as Korath

Born 04/24/1964, age

John C. Reilly

as Corpsman Dey

Born 05/24/1965, age

Glenn Close

as Nova Prime

Born 03/19/1947, age

Benicio del Toro

as The Collector

Born 02/19/1967, age

Peter Serafinowicz

as Denarian Saal

Born 07/10/1972, age

Christopher Fairbank

as The Broker

Born 10/04/1953, age

Gregg Henry

as Grandpa

Born 05/06/1952, age

Stan Lee

as Xandarian Ladies' Man

Born 12/28/1922

Died 11/12/2018, age

Brendan Fehr

as Corpsman Dey's Partner

Born 10/29/1977, age

Tomas Arana

as Kree Ambassador

Born 04/03/1955, age

Nathan Fillion

as Monstrous Inmate

Born 03/27/1971, age

Alexis Denisof

as The Other

Born 02/25/1966, age

Enzo Cilenti

as Watchtower Guard

Born 08/08/1974, age

Ophelia Lovibond

as Carina

Born 02/19/1986, age

Ralph Ineson

as Ravager Pilot

Born 12/15/1969, age

John Brotherton

as Nova Starblaster Pilot

Born 08/21/1980, age

James Gunn

as Maskless Sakaaran

Born 08/05/1966, age

Josh Brolin

as Thanos (uncredited)

Born 02/12/1968, age

Lloyd Kaufman

as Prisoner (uncredited)

Born 12/30/1945, age

Seth Green

as Howard the Duck (voice) (uncredited)

Born 02/08/1974, age