Question: Which American screen and stage actor, who appeared in "Casablanca" also appeared in the 1951 British-American adventure film "The African Queen"? 

Context paragraphs:
Tarzan's Three Challenges: Tarzan's Three Challenges (1963) is a British-American adventure film filmed in Metrocolor, which is a followup to 1962's "Tarzan Goes to India".  The film was Jock Mahoney's second and final turn as the apeman, was produced by Sy Weintraub, written by Robert Day and Berne Giler, and directed by Robert Day.  The film was released in June 1963.

Pawel Szajda: Pawel B. Szajda (pronounced "PAV-el SHY-da"; born January 13, 1982) is an American screen and stage actor, best known for his roles in "Under the Tuscan Sun", "Generation Kill", and "Tatarak".

The African Queen (film): The African Queen is a 1951 British-American adventure film adapted from the 1935 novel of the same name by C. S. Forester.  The film was directed by John Huston and produced by Sam Spiegel and John Woolf.  The screenplay was adapted by James Agee, John Huston, John Collier and Peter Viertel.  It was photographed in Technicolor by Jack Cardiff and had a music score by Allan Gray.  The film stars Humphrey Bogart (who won the Academy Award for Best Actor – his only Oscar), and Katharine Hepburn with Robert Morley, Peter Bull, Walter Gotell, Richard Marner and Theodore Bikel.

Macklyn Arbuckle: Macklyn Arbuckle (July 9, 1866 – April 1, 1931) was an American screen and stage actor.  He was the brother of actor Andrew Arbuckle and cousin of comedian Roscoe "Fatty" Arbuckle.

Michele Hicks: Michele Hicks (born June 4, 1973) is an American screen actress and former fashion model who has worked in both film and television.  On television, Hicks's appearances include "", "", "", "Cold Case", "The Shield" and "Heist".  She also appeared in the music video for the song "Letting the Cables Sleep" by Bush, which was directed by Joel Schumacher.

Humphrey Bogart: Humphrey DeForest Bogart ( ; December 25, 1899January 14, 1957) was an American screen and stage actor whose performances in 1940s films noir such as "The Maltese Falcon", "Casablanca", and "The Big Sleep" earned him status as a cultural icon.

White Hunter Black Heart: White Hunter Black Heart is a 1990 American adventure drama film directed by and starring Clint Eastwood and based on the 1953 book of the same name by Peter Viertel.  Viertel also co-wrote the script with James Bridges and Burt Kennedy.  The film is a thinly disguised account of writer Peter Viertel's experiences while working on the classic 1951 film "The African Queen", which was shot on location in Africa at a time when location shoots outside of the United States for American films were very rare.  The main character, brash director John Wilson, played by Eastwood, is based on real-life director John Huston.  Jeff Fahey plays Pete Verrill, a character based on Viertel.  George Dzundza's character is based on "African Queen" producer Sam Spiegel.  Marisa Berenson's character Kay Gibson and Richard Vanstone's character Phil Duncan, are based on Katharine Hepburn and Humphrey Bogart, respectively.

African Queen (boat): The African Queen (also known as S/L Livingstone) is the boat used in the 1951 movie "The African Queen" starring Humprey Bogart and Katharine Hepburn.  It is located in Key Largo, Florida.  On February 18, 1992, it was added to the U.S. National Register of Historic Places.

Stephen Lang: Stephen Lang (born July 11, 1952) is an American screen and stage actor, and playwright.  He is known for roles in films including "Manhunter" (1986), "Gettysburg" (1993), "Gods and Generals" (2003), "Public Enemies" (2009) and "Don't Breathe" (2016).  He received a Tony Award nomination for his role in the 1992 Broadway production of "The Speed of Darkness" and won the Saturn Award for Best Supporting Actor for his performance in James Cameron's "Avatar" (2009).  From 2004 to 2006, he was co–artistic director of the Actors Studio.

Phil Arnold: Phil Arnold (September 15, 1909 – May 9, 1968) was an American screen, stage, television, and vaudeville actor.  He appeared in approximately 150 films and television shows between 1939 and 1968.

Supporting paragraphs: The African Queen (film) Humphrey Bogart
Answer: Humphrey Bogart