Step Brothers Cast
The cast of Step Brothers including popularity data. Data for May 07, 2025.
Will Ferrell
as Brennan Huff

Will Ferrell plays Brennan Huff in Step Brothers.

#3
Most popular actor on Step Brothers
4,152 Wikipedia views yesterday
John C. Reilly
as Dale Doback

John C. Reilly portrays Dale Doback in the movie Step Brothers.

#5
Most popular actor on Step Brothers
1,923 Wikipedia views yesterday
Mary Steenburgen
as Nancy Huff

Mary Steenburgen takes on the role of Nancy Huff in Step Brothers.

#4
Most popular actor on Step Brothers
2,906 Wikipedia views yesterday
Richard Jenkins
as Dr. Robert Doback

Richard Jenkins portrays Dr. Robert Doback in the movie Step Brothers.

#7
Most popular actor on Step Brothers
1,666 Wikipedia views yesterday
Adam Scott
as Derek

Adam Scott plays the character Derek in Step Brothers.

Kathryn Hahn
as Alice

Kathryn Hahn portrays the character Alice in the movie Step Brothers.

#2
Most popular actor on Step Brothers
4,301 Wikipedia views yesterday
Andrea Savage
as Denise

Andrea Savage plays the character Denise in Step Brothers.

#11
Most popular actor on Step Brothers
759 Wikipedia views yesterday
Lurie Poston
as Tommy

Lurie Poston takes on the role of Tommy in Step Brothers.

Elizabeth Yozamp
as Tiffany
Logan Manus
as Chris Gardoki
Travis T. Flory
as Redheaded Kid
#18
Most popular actor on Step Brothers
83 Wikipedia views yesterday
Lili Rose McKay
as 7-Year-Old Girl
Shira Piven
as Nurse
Seth Morris
as Doctor
#19
Most popular actor on Step Brothers
71 Wikipedia views yesterday
Wayne Federman
as Blind Man
#20
Most popular actor on Step Brothers
54 Wikipedia views yesterday
Maria Quiban
as TV Anchor
Danielle Schneider
as Receptionist
#17
Most popular actor on Step Brothers
94 Wikipedia views yesterday
Gillian Vigman
as Pam Gringe
#14
Most popular actor on Step Brothers
250 Wikipedia views yesterday
Brian Huskey
as Interviewer
#16
Most popular actor on Step Brothers
166 Wikipedia views yesterday
Adam McKay
as Man without Glasses
#8
Most popular actor on Step Brothers
1,468 Wikipedia views yesterday
Seth Rogen
as Sporting Goods Manager
#1
Most popular actor on Step Brothers
5,712 Wikipedia views yesterday
Chris Henchy
as First Homebuyer
#12
Most popular actor on Step Brothers
564 Wikipedia views yesterday
Mary Catherine Hamelin
as First Homebuyer
Ian Roberts
as Male Therapist
#15
Most popular actor on Step Brothers
233 Wikipedia views yesterday
Erica Vittina Phillips
as Second Homebuyer
Phil LaMarr
as Second Homebuyer
#10
Most popular actor on Step Brothers
879 Wikipedia views yesterday
Rob Riggle
as Randy
#9
Most popular actor on Step Brothers
1,169 Wikipedia views yesterday
Jason Davis
as TJ
Paula Killen
as Rental Agent
Ken Jeong
as Employment Agent
#6
Most popular actor on Step Brothers
1,917 Wikipedia views yesterday
Horatio Sanz
as Lead Singer
#13
Most popular actor on Step Brothers
425 Wikipedia views yesterday
Kyle Felts
as Wine Mixer Heckler
Jake Szymanski
as Caterer
Matt Walsh
as Drunk Corporate Guy
Dmitri Schuyler-Linch
as 6-Year-Old Derek
Bryce Hurless
as 9-Year-Old Brennan
Brent White
as Therapy Patient
Denise Austin
as Herself
For the best insights and data about Step Brothers, visit our main Step Brothers page.